15 Moments From "Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R) Alex O'Loughlin as Steve McGarrett , Chi McBride as Lou Grover , Grace Park as Kono Kalakaua and Melina Kanakaredes as ATF Agent Kathy Millwood CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R) Lili Simmons as Amber Vitale and Scott Caan as Danny "Danno" Williams CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R) Alex O'Loughlin as Steve McGarrett and Melina Kanakaredes as ATF Agent Kathy Millwood. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured FC champion Randy Couture guest stars as the arsonist. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured Melina Kanakaredes as ATF Agent Kathy Millwood. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured FC champion Randy Couture guest stars as the arsonist. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R) Melina Kanakaredes as ATF Agent Kathy Millwood, Alex O'Loughlin as Steve McGarrett and Chi McBride as Lou Grover. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R) Melina Kanakaredes as ATF Agent Kathy Millwood, Chi McBride as Lou Grover , Grace Park as Kono Kalakaua and Alex O'Loughlin as Steve McGarrett. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R) Michelle Wie guest stars as herself and Alex O'Loughlin as Steve McGarrett CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R)Chi McBride as Lou Grover, Michelle Wie guest stars as herself and Alex O'Loughlin as Steve McGarrett. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R) Michelle Wie guest stars as herself and Alex O'Loughlin as Steve McGarrett. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R) Michelle Wie guest stars as herself and Alex O'Loughlin as Steve McGarrett. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R) Michelle Wie guest stars as herself and Alex O'Loughlin as Steve McGarrett. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R)Chi McBride as Lou Grover and Michelle Wie guest stars as herself. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.

"Nanahu" - Hawaii Five-0 S5 E16

Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back, on HAWAII FIVE-0, Friday, Feb. 20 (9:00-10:00 PM, ET/PT), on the CBS Television Network. Pictured (L-R)Chi McBride as Lou Grover, Alex O'Loughlin as Steve McGarrett and Michelle Wie guest stars as herself. CBS ©2015 CBS Broadcasting Inc. All Rights Reserved.