The film spans several decades in the unconventional life of feisty nonagenarian Hagar Shipley, who sets off on a journey to reconcile herself with her past when she discovers her son Marvin and daughter-in-law Doris are moving her into a nursing home.
Now in hiding, Hagar meets Leo, who enables her to confront the one secret she feels she must take to her grave, namely the role she played in John's death.