Edward Wong is a lonely depressed young man living in isolation in Hong Kong.

He often walks around in the night to cope with his chronic insomnia. He has no destination and cannot explain his own behaviour. 

One day, he is hired by someone to kill a policeman who is also called Edward Wong. He has a special feeling for him. He seems to meet the another side of himself .

In addition, he found that family may be the last hope in this city. So, he show his sympathy during the mission and start seeking true self.