Max and Avery are at a crossroads as Avery faces a difficult pregnancy decision. Meanwhile, after Munroe is bitten by a shark, the Odyssey takes a dangerous detour to rescue a sinking boat, where a mysterious new passenger catches Max's eye.

Amid a power outage, Max, Tristan, Avery, and Brooke struggle to treat shark-inflicted wounds. As romantic tensions flare between Max and Brooke and new sparks fly between two former flames, the team must perform an emergency operation.