Hyun Tae, In Chul and Min Soo have been best friends since childhood. Hyun Tae is a paramedic with a daughter in kindergarten, In Chul is a con man who works at an insurance company, and Min Soo is a small business owner. Hyun Tae's mother, who owns an illegal gambling arcade, asks In Chul to stage a robbery of her arcade to get an insurance settlement. But after that results into a tragic homicide, the friends have a falling out and their relationships to each other forever changed.