By one definition, a key party involves the men putting their car keys into either a bag or bowl at a party. Then, the women select a set of keys at random and then go home with one of those men for some indiscriminate fucking. Swingers really knew how to entertain, didn’t they?
While Cosima heads to the island that time forgot, Sarah and Rachel join forces to take down Evie Cho. Meanwhile, some familiar faces return in the penultimate episode of Season Four.