As summer kicks off, Sam and Jade's bond is tested, but a budding mystery brings them together for a twisting-and-turning mission.

The Surfside girls learn what’s at stake if Danger Point collapses. In response, Sam goes hunting for ghosts and Jade conducts field research.

Grappling with guilt, Sam vows to make things right with her mom. Jade and Remi continue the search and uncover more about the secret cavern.

Sam and Jade search for missing evidence and realize Remi and Captain Devar may be able to help if they can recall forgotten memories.

A major break in the case leads to a friendship fallout. In the aftermath, Jade faces a swirl of emotions and gets heartfelt advice.

The summer festival arrives and the trusty trio orchestrates a last-minute change of plans to save Danger Point. But will it be enough?