Holmes and Watson find themselves digging through the dark world of the mob to find a killer when they discover the body of a former assassin, and Watson helps a friend locate a mystery man who swept her off her feet.
Jay and Kat devise a way to help persecuted foreign LGBTQ citizens escape their country, but are forced to change those plans when complications arise.
When Dean and Alicia represent a former chief executive officer who is suing the company that fired her, they face off with Elsbeth Tascioni and Rayna Hecht; a hacker threatens Florrick/Agos/Lockhart by taking control of their files.
Jackie and Danny get assigned to protect the star witness in a Russian mob trial, but when an attempt is made on her life, they realise that there is a leak on the task force. Elsewhere, Erin is offered the deputy mayoralty.
The detectives try to identify a teenager's body after it is found in the Hudson River, but when they discover her name, more mysteries unfold.