A woman is sexually assaulted by a masked man, but she believes the rapist is the same man who went to jail for stalking her. Meanwhile, Tucker contemplates retirement and a future with Benson.
One of Voight's friends, Congressman Scott Graynor found passed out in his hotel room with a dead Ukrainian girl.
Frank contends with a whistleblower within the NYPD; Danny’s instincts tell him to investigate a case originally deemed an accident.
Devon's patient, who was pronounced dead, suddenly revives; a well-known white supremacist falls under the care of Cain and Nic.
The parents of a slain socialite ask Bull to help prosecute their daughter's fiance for the crime.