Scientist Yan Xiang and his wife Xu Banxia got on a plane back to China in order to donate bone marrow to their daughter, but the plane suddenly exploded, Yan Xiang entered a time loop, in order to save the lives of the whole plane, Yan Xiang began to look for the murderer who planted the bomb to prevent the explosion, so there was a fierce conflict with the passengers and flight attendants on the plane......