Kou, an Emergency Medical Technician who has had a drink, drives and hits a woman on his way home. After making sure she is not in immediate danger, he decides to drive away from the scene and come back in the ambulance he normally drives. He gives every treatment in the book to save her. But she is still in a coma, and the hospital decides to stop resuscitating after 30 minutes. Kuo was running against time to mend his mistake. The biggest struggle comes, when he realises that the only person who cares to save the woman, is the culprit himself.