Thomas has been married to Hester for thirty years and together they have three children: Anton, Marion and Boris. Anton is the most likely successor to his father and is married to Janneke. After a thorough preparation at the Nijenrode Institute, he is now working at the top of the company. Marion and Boris still live with their parents and experiment with everything their rich life has to offer. In their passion for each other, too, they explore the boundaries of their brother-sister relationship. The first hairline cracks appear in the family portrait when Thomas starts another secret affair with Eliza, whom he broke up with about 20 years ago. Eliza now has a growing son, Jeroen. When the family comes into possession of "The Blue Devil" through an unfortunate transaction, it seems that disaster can no longer be averted. This infamous and much too precious diamond has a reputation of bringing bad luck to its owner. The family does everything they can to get rid of the stone, which is not as easy as it seems. In the meantime, everyone is experiencing the influence of "The Blue Devil"...