When Hook fails to choose which three of his rescuers will have to remain in the Underworld, his captivity takes a dark turn as Hades threatens to condemn him to the River of Lost Souls. Meanwhile, Gold is suddenly eager to help Emma and the others find the deceased pirate so that he can return home to Belle, but in order to do so he must first find his late wife Milah somewhere in the town and ask for her help. Concurrently, in the fairytale land that was, Rumple and Milah face a life-or-death crisis concerning their son Baelfire that forces the former to make a deal that will haunt him forever.