After surviving a shark attack a young woman is plagued by nightmares of being stalked in the dark sea by a ravenous predator, and hallucinations of visits from her sister and boyfriend, both who were killed in the attack.

A group of friends runs a popular travel vlog that helps fund their adventures. The leader of the group includes 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.

A group of teenagers try to escape a creature that lives among the shadows and is hunting them down one by one.