Mark Wahlberg leads an all-star cast in this unforgettably powerful film inspired by a thrilling story of real-life heroes. For the one hundred and twenty-six people aboard the Deepwater Horizon offshore oil rig April 20 2010 began like any normal day. Before day s end the world would bear witness to one of the greatest man-made disasters in U.S. history. DEEPWATER HORIZON reveals the brave acts of the men and women who rose to the challenge-and risked everything to lead others to safety.