A couple get into an argument at their cocktail party that escalates until it brings an abrupt end to the festivities. They and their guests decide to re-create the entire night again and again to determine who was right.

An engaged couple is forced to visit Palm Springs for a weekend to celebrate her parents’ 25th wedding vow renewal and discover the apparent secret to their happy marriage — threesomes. Determined to properly celebrate their own “re-engagement,” they set out on a wild night in search of a threesome of their own but the experience takes an intense turn, exposing deeper relationship problems and threatening their future together.

Part-time pianist Monty Fagan begins a May-December romance that upends his home life.