Eddie is a single man approaching his 40s, feeling immense pressure from his father and best friend, Mac, to settle down. He unexpectedly meets and marries Lila, a woman who seems perfect at first glance. Eager to take the plunge, they marry only after a short courtship and embark on their honeymoon in Mexico. However, during the trip, Eddie starts discovering several unattractive and alarming quirks about Lila that he hadn't noticed before, leaving him questioning his hasty decision.

As Lila's behavior grows increasingly erratic and unpredictable, Eddie crosses paths with Miranda, a fellow vacationer who captivates him with her charm and sincerity. Eddie finds himself drawn to Miranda, realizing she possesses all the qualities he had hoped to find in a partner. Torn between honoring his marital vows and pursuing genuine happiness, Eddie grapples with his emotions and the growing realization that he might have made a substantial mistake.