The episode begins with a marine dropping dead from a parachute jump inside a car. The team must discover what happened, considering the marines have a secondary parachute in case the primary fails. First they conclude that since the marine had pain killers in his system that he did have time to react. But a closer look at the cords indicate that it was tampered with. They soon discover that the secondary parachute was also sabotaged. They find the killer by giving him the exact same bag to jump from.