A pair of childhood friends reunite during their summer break from college and deal with a traumatizing experience from their past.

A coming-of-age story about friendship and grief; Catherine (Julia Garner) and Iris (Juno Temple), childhood friends returning home to a hot and humid New England summer, fill their days and nights with parties, skinny-dipping and rekindling old relationships, but when a shared trauma from their past becomes increasingly difficult to suppress, a wedge between the two grows and each begin to pursue forbidden love affairs.