Robbie and Carlo have been involved professionally and personally for twenty years. Lately, though, their architectural practice and their marriage are beginning to falter.One fall day, Tom Field, a peculiar young man, drifts into their storefront office asking to use the phone. The men get to talking; Tom is curious but enchanting, and Robbie ends up playing tennis with him that afternoon, ultimately inviting him home for dinner.The ensuing evening involves a lot of wine and banter and then increasingly dark conversation, and when the stranger has had too much to drink, the two men insist he sleep in their guest room.During the night, Tom commits an act of violence that shatters the couple's ordered lives - the men are forced to cope with the blossoming doubt and corrosive secrets. Each in his own way, Robbie and Carlo seek to understand the disquiet stemming from their time with Tom.