For the first time since coming out as polyamorous, spouses Alex and Don are hosting Don’s Southern parents for Thanksgiving in their New York City apartment. The fifth seat at the table is for Aly, Don’s partner of three years. Aly and Alex have developed a deep metamour connection, and introducing Aly to Don’s parents is an important step for integrating the lives of all three. But tensions escalate when Don’s parents struggle to understand the relationship dynamics between their son and his partners, and the polycule must weigh biological family against their chosen one.