Owls fly to look for food in the evening. They can not only find traces of what happened in the light, but also see what happened in the dark.
Mo Wen, a psychiatrist full of mystery. Without knowing his past or his true identity, he only knew that he had superb medical skills. All the patients who came to his clinic looked relaxed and enlightened when they came out. But can he really see into people's hearts? He's just an owl keeping an eye on what's happening in the dark...