Premieres Monday, April 30 10/9c
Season 4: Episode 13 - A Study in Charlotte
Posted on Feb 23, 2016 09:55am

Sherlock and Joan search for a murderer who used poisonous mushrooms to kill a botany professor and a group of the instructor’s students. Also, when Joan is disturbed by loud noise next door, she discovers her neighbor, Trent (Richard Kind), is renting out his home through a vacation site that caters to hard partiers.