Source Code is a thrilling science fiction film featuring Jake Gyllenhaal in the lead role. The movie follows the story of Captain Colter Stevens, a soldier who wakes up in the body of an unknown man and discovers he is part of a government experiment called the Source Code. Gyllenhaal delivers a compelling performance as he tries to unravel the mystery behind his situation and prevent a terrorist attack. Source Code combines elements of action, suspense, and romance, making it an engaging and thought-provoking film.