Greta enters a rocket-building competition sponsored by billionaire Jefflon Bezmusk. Meanwhile, Travis moves out — and the cats get inside Marv's head.
Devilcat takes Godcat as her plus-one to a wedding in Hell. Travis goes back in time to undo his biggest regret — but changing the past has consequences.
It's good vs. evil as the cats compete in the God Games for control of Heaven and Hell. Travis' friends turn against him. Marv inherits a mess at work.