Deep Blue Sea 3 is a thrilling action-horror movie set in the ocean. As rising sea levels threaten a coastal Mozambique community, a team of scientists must navigate dangerous waters filled with genetically enhanced sharks. With their lives on the line, the group faces terrifying shark attacks, explosions, and sinking boats. They soon realize that survival depends on outsmarting the highly intelligent creatures. Will they make it out alive or end up as the next meal for these deadly predators?

A group of scientists conduct genetic experimentation on bull sharks in an underwater research facility. However, the sharks become intelligent and aggressive, leading to a deadly shark attack. The remaining scientists must fight to survive and escape from the facility.

In a remote underwater facility, a group of scientists research Mako sharks to find a cure for Alzheimer's disease. When the sharks become intelligent and deadly, the scientists must fight for their lives and escape the facility.