After a woman is found dead at a men's-only club, Danny and Baez investigate if her death was an accident; Frank hears about an alleged affair between the chief of Internal Affairs and the spouse of another member of law enforcement.
Jackie tasks Zoey with finding out who a Jane Doe is; Jackie faces conflict with her daughters.
Alicia struggles with her conscience as she tries to stop the state from killing a man.
When McCall tries to locate a missing British mathematician, she finds herself embroiled in an international fight for a revolutionary financial technology.
