In this thrilling aquatic adventure directed by Renny Harlin, a team of scientists conducts research on genetically engineered sharks in an isolated underwater facility. The experiment, intended to find a cure for Alzheimer’s disease, takes a terrifying turn when the sharks become smarter and more dangerous. The ensemble cast includes Thomas Jane, Saffron Burrows, and Samuel L. Jackson, who deliver gripping performances as they struggle for survival against the deadly predators. While the film did not receive any major awards, it is noted for its intense action sequences and special effects. For those interested, it can be viewed for free on 123Movies / Movies123.