Adam, Mira and Kai deal with a difficult loss, but their search for answers continues. At a scientist's chateau, they tangle with some old rivals.

On the hunt for Weirdy, the friends take a ghost train to a jazz club. But Adam and Reeve's arguing threatens their mission.

The tension between Reeve and Adam reaches a tipping point, sending them plunging into the ocean — where a hungry sea monster awaits.