Celeste Leahy feels stuck in midlife: working a dead-end job, co-parenting a teenage son, and caring for a mother with dementia. When her estranged brother appears on her doorstep intent on reconnecting, she's forced to examine her choices. Reid, now a famous poet, has built his life and career, Celeste believes, at her expense. The heart of their rift goes back decades, to a violent act that took place while they were college students protesting the Vietnam War.