Baker Dill is a fishing boat captain leading tours off a tranquil, tropical enclave called Plymouth Island. His peaceful existence is shattered when his ex-wife Karen tracks him down with a desperate plea for help. In a shocking departure from her previously glamorous life, she begs Baker to save her and their young son from her new, violently abusive husband. Karen's plan involves taking her ruthless spouse out on a fishing expedition, only to throw him overboard to be devoured by sharks. Baker grapples with the moral dilemma but is driven by the desire to protect his son.

As he becomes embroiled in Karen's scheme, Baker's simple life takes on an increasingly strange quality. His loyal first mate Duke, the woman he’s romantically involved with named Constance, and a mysterious man in a suit named Reid Miller all start complicating the picture further. The lines between reality and illusion blur as Baker discovers unexpected truths about his own existence and the nature of free will. This psychological thriller keeps viewers on edge as it leads Baker toward an ultimate revelation that challenges his understanding of himself and his world.