When DEA agents are called to a beach crime scene, they discover a missing college girl drifting alone in a drug-runners boat. As she recalls her island trip of a lifetime, the investigation begins to unravel a spring break adventure that took a lethal dive into drugs, betrayal, and murder. Attempting to solve the mystery, catch the smugglers, and find the missing teenagers, the DEA agents uncover the ancient island legend of Immortal Island.