Polyfamily dives deep into the world of polyamory and non-traditional family structures. The show follows two married couples, Alysia & Tyler and Sean & Taya, who have chosen to live together as a closed quad. In this unconventional family set up, Tyler is dating Sean's wife, Taya, and Sean is dating Tyler's wife, Alysia. With four children already and another on the way, the quad is redefining what it means to be a family. A fascinating, vulnerable and unpredictable look at love, loyalty and the complexities of modern family life.