Mike Mackenzie has successfully sold his computer company and dreams of doing something truly exciting. His choice falls on art, and when Professor Robert Gissing offers him a plan for the perfect crime, Mike decides to bring it to life. Due to lack of space at the Scottish National Gallery, many valuable works are stored in a warehouse in Granton. On “open day” they can be stolen, and with the help of a clever trick the investigation can surely be intimidated. Mackenzie turns to a professional for help, the head of the local mafia, Chib Calloway. Soon the affair takes a dangerous turn…