After having drifted apart for several years, former close friends Carla and Heather each lead their own lives without sparing a thought for one another. However, their tense and uneasy estrangement quickly comes crashing down when Heather arrives unannounced back into Carla's life. Much to Carla's astonishment, Heather bears an unusual and unexpected proposal that holds the potential to alter the course of their lives permanently.