Intertwining couples and singles in Los Angeles break-up and make-up based on the pressures and expectations of Valentine's Day.
Cursed since childhood, dentist Charlie Logan cannot find the right woman. Even worse, he learns that each of his ex-girlfriends finds true love with the man she meets after her relationship with him ends. Hearing of Charlie's reputation as a good-luck charm, women from all over line up for a quick tryst. But when Charlie meets the woman of his dreams, he must find a way to break the curse or risk losing her to the next man she meets.
A U.S. Marshal escorts a government witness to trial after he's accused of getting involved with a mob boss, only to discover that the pilot who is transporting them is also a hitman sent to assassinate the informant. After they subdue him, they're forced to fly together after discovering that there are others attempting to eliminate them.
