Vincenzo Amato

Sherlock is asked for help by a member of his support group because her heroin addicted sister has disappeared. Investigators find the young woman's body and fear that she would have to die because she witnessed a murder.

With Watson kidnapped, the Holmes brothers are extorted to buy her back by acquiring something the gangsters greatly value. As the clock runs down on Watson's life, Sherlock is forced to work with his estranged brother Mycroft.

Alicia, Will and Diane step in to help quirky lawyer Elsbeth Tascioni when she is arrested, putting the case she's working on in jeopardy. Her client, an Olympic athlete, is accused of doping and banned from an upcoming race while attempting to sue a sponsor for non-payment. Elsewhere, when Peter discovers that Maddie Hayward intends to challenge him on the subject of racial bias, he is given conflicting advice.