Paul falls in love with Juliette. It is the start of a passionate relationship. Not long after, Paul runs into the charismatic Billy, who is constantly looking for risks and danger. He shows Paul a different side of life. Drugs, sex and illegal bareknuckle fighting clash with his neat life with Juliette. She works while Paul has to take care of her infant son.
Billy, however, continues to draw Paul to himself. As the passion in his relationship with Juliette wanes, Paul is faced with the choice between Juliette or Billy, who continues to search for the ultimate thrill.
Based on the (unpublished) book "The Zero-Sum Game" by Tim Cooke.