Fishing boat captain Baker Dill leads a quiet life as he provides tours in the beautiful waters near Plymouth Island. Despite trying to live in solitude and peace, Dill is soon wrapped up in a much more complex situation. His ex-wife Karen shows up seeking help for her and her son. She asks Dill to get rid of her new violent husband in the ocean waters for good. Now Baker must contemplate the weight of his decisions while he also questions the reality...

A mysterious man with a sense for death arrives in town to see his dying sister, and soon becomes the center of unrest and suspicion.

The gang races through the swamp only to stumble upon previously unexplored territory that leads them right into the middle of a mystery.