When the body of the executive of hockey Benoit Brisset is found on the billboard of the border of Quebec and Ontario, the jurisdiction of the crime is shared between the two police forces and detectives David Bouchard from Montreal and Martin Ward from Toronto are assigned to work together. With totally different styles, attitudes and languages.

Ward and Bouchard must face an important car theft ring that turns out to be a lot more than they bargained for: one where the stolen cars will serve as bombs in a well planned terrorist attack.