In Season 1 of Mama’s Family, Thelma “Mama” Harper shares her home with her younger sister Fran, a spinster whose quieter life is disrupted when family needs a place to stay. Thelma’s recently divorced son Vinton moves in with his teenage son and daughter, turning the household into a crowded mix of relatives, routines, and clashing personalities. For cranky, argumentative Thelma, the adjustment is anything but easy.