Capitalising on the success of its hit series `Sister Wives', TLC focuses on the journeys of three unique families in various phases of polygamous relationships. Cameras capture the intimate process of men seeking, dating or incorporating a new wife into their family structure and the myriad triumphs, frustrations and heartaches associated with the emotional changes. Of course, with multiple husbands, wives and 20-plus children residing between the households, drama-filled days are inevitable. But these families are determined to open their hearts and homes to new wives, even if a few growing pains are felt along the way.