Pyrian ships drop fusion-powered generators on planet Samsarra, and the crew battles to save the planet and avoid a galactic war.
Trish confronts an old flame when the wedding party embarks on a scavenger hunt; Henry makes peace with some of the locals; Abby meets up with a friend who is haunted by John Wakefield and the island's tragic past.
Bo and her allies race to stop an ancient evil from wreaking mass destruction.