Twin sisters must confront their past when their attempted killer re-enters their lives.

A group of friends run a popular travel vlog that helps fund their adventures. The leader of the group brings along her younger sister for the next scuba diving trip to an isolated cove. But when their plane crashes, the two sisters must use their strength, resourcefulness and immense courage to survive a pack of great white sharks.

An assassin, going rogue, kills an accomplice without his partner's knowledge. Meanwhile, two sisters, fueled by a burning desire for justice for their slain sibling, embark on a relentless hunt for the perpetrators. As they delve deeper, they uncover a tangled web of accomplices, all puppets of a shadowy organization orchestrating events from the shadows.