Ben

Ben is a lonely detective who has lost his memory in an accident. He has a secret hobby of planting flowers in a potted plant. One day, he receives a mysterious letter that leads him to investigate a case that will change his life forever. The letters hint that he might have been involved in a terrible incident in the past. He meets a girl who claims to know him from the past, and as they investigate together, their relationship deepens. But as they get closer to the truth, they realize that their relationship might be more complicated than they thought.