Grim swallows her pride and seeks help from a Canadian hacker. Diana presents her vision. Fisher makes a house call.

Fisher and McKenna make a dramatic exit. An '80s pop song reveals a vital clue. Fisher's turbulent past comes further into focus.

While undercover at a glitzy gala, Fisher and McKenna search for a way to access the droves of data on Diana's phone.

With McKenna in extreme danger, Fisher ignores orders and goes rogue. Meanwhile, Diana and Charlie struggle to mask their mutual contempt.

Fisher and Diana lay their cards on the table. McKenna gets back in the game. Grim and Jo face a hard deadline — and a growing sense of dread.

Fisher and McKenna board an eerily empty ship in hopes of staving off catastrophe, while Diana learns that even her plans are subject to change.