Katie's life is turned upside down when her notoriously elusive boss Whitney pops into town and promotes Katie; a colleague's death pushes Greg toward an existential crisis.

Frank and Erin are at odds when Frank learns the district attorney's office keeps a list of officers they consider unreliable; Danny and Baez recruit a retired mobster to assist in an investigation; a predator poses as a ride-share driver.

Sandi Toksvig enquires into questions and qualifications with Alan Davies, Ade Adepitan, Nish Kumar and Holly Walsh.

After being abducted by Katarina Rostova, Raymond finds himself alone in hostile territory unsure of who—if anyone—he can trust. With few leads to go on, Liz and the Task Force venture into unknown danger as they race to find him.

Jimmy welcomes actor Joaquin Phoenix and actress Zoey Deutch.

After Violet's attack, Julius and Doc find information that Hansen will do anything to keep quiet.