B&B Recap: How Long Can Caroline Keep Her Secret?

Things get awkward when Thomas says Douglas is a "total charmer, just like his dad."

Will Caroline break under pressure and tell Thomas the truth about Douglas' paternity?

Visibly distraught after celebrating Liam's return with friends and family, Steffy shares her feelings with her concerned father. After he presses Steffy about the status of her relationship now that Liam's back, she firmly reminds him that her marriage means something. 

"I was misled," she says. "We were all misled. But, it's not like I can just pretend nothing happened. My vows were real."

Rick gets excited after he learns Katie overheard Ridge speaking with his doctor, seeing an opportunity to regain his spot at the company and at the Forrester Mansion.

"Ridge is covering something up, and I bet Katie can help me figure out what that is," Rick tells Maya.

Just when he started to think his problems were gone, Ridge learns that Katie could destroy everything. 

When Katie tells Ridge about her conversation with his doctor, it takes everything in him not to lash out. Instead, he issues a stern warning.

"It's a dangerous game you're playing," he tells her. "He's my son. He's mine." 

Will Katie drop her accusations, or will she take them to Rick for the ultimate power play? 

Watch the full episode on CBS.

More on CBS.com:
B&B Recap: Should Caroline Tell Thomas The Truth?
The Most Explosive Moments Of Passion On B&B