The Mackenzie clan has gathered for Hart's birthday at the sprawling family estate in Scotland. But before the festivities can start, the house is robbed, and thieves make off with an untold fortune in rare art.
Ian Mackenzie and his brothers must do what they can to retrieve the family treasure, but Ian is distracted by a family friend who claims he might have the power to "cure" Ian of his madness forever. All the Mackenzies must draw together as courage, love, and a tantalizing mystery serve to strengthen their bond, and redefine the meaning of family.