A long-term relationship threatens to implode over the course of one tumultuous night. After six years together, thirty-something couple Henry and Dianne find themselves caught between their fears of commitment and societal pressure to settle down and marry. An impulsive decision and a surprise revelation send each into an emotional tailspin. Heading out into the LA night, both Henry and Dianne encounter strangers; he a free-spirited rocker, she a charming artist, who offer the possibility of new romantic thrills.