The Unicorn (2019)

An engaged couple heads to Palm Springs for a weekend honoring her parents' 25th wedding anniversary, only to stumble upon the secret to their happiness: threesomes. Eager to rekindle their own romance, they embark on a raucous night in pursuit of a similar experience. However, their quest unearths unresolved issues within their relationship, leading to unexpected revelations that put their future at stake. As the night unfolds, they confront the complexities of commitment and intimacy, forcing them to reevaluate what truly matters in their relationship.