Following the murder of their sister, two women at odds head on a trip to the ocean with two friends to honor her memory. As they are getting closer again and enjoying their time on the water, a shark starts to stalk them, leading them to needing to work together to escape it.
When the financier for a research team visits their facilities, he discovers that they are working on live sharks and making progress on finding a cure for Alzheimer’s disease. That is until something goes very very wrong.
A group of college student head to a cabin by the water. Once there, something starts taking them out one by one.