The Unicorn

The Unicorn is a movie starring Lauren Lapkus, Nicholas Rutherford, and Lucy Hale. An indecisive couple facing the fourth year of their engagement finally decides to take the next big step and have a threesome.
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.