The team has little time to prepare for their first call, summoning them to the scene of a head-on collision on one of Britain's most dangerous roads. With multiple victims, the accident is all-hands-on-deck, and the clock is ticking. They find one victim in critical condition, hanging on by a thread, and must make a critical decision to try to save his life, which might mean doing open heart surgery--in the middle of a field.

The team has little time to prepare for their first call, summoning them to the scene of a head-on collision on one of Britain's most dangerous roads. With multiple victims, the accident is all-hands-on-deck, and the clock is ticking. They find one victim in critical condition, hanging on by a thread, and must make a critical decision to try to save his life, which might mean doing open heart surgery--in the middle of a field.