The Supremes, made up of Odette, Barbara Jean, and Clarice, have been inseparable since childhood, spending countless hours at Earl's All-You-Can-Eat diner in their small town. As they navigate their way through the highs and lows of life, they find solace in their friendship and the comfort of their favorite hangout spot.
However, as they approach their golden years, the women find themselves facing new challenges. Odette, the self-proclaimed leader of the group, is diagnosed with a serious illness that threatens to change the dynamic of their friendship. Barbara Jean, who has always been the peacemaker of the group, struggles to find her own identity outside of her marriage and children. Clarice, the free spirit of the trio, must come to terms with the consequences of her past decisions and the impact they have on her present.
As they confront these new obstacles, the women must rely on each other more than ever before. Through laughter and tears, they find strength in the bond that has carried them through decades of ups and downs. As they face their most challenging times yet, they realize that their friendship is the one constant in their lives that will never waver.
In the end, The Supremes must come together to support each other and prove that their sisterhood is truly unbreakable, no matter what life throws their way.