In 1960s New York, Walter Stackhouse is a successful architect married to the beautiful Clara who leads a seemingly perfect life. But his fascination with an unsolved murder leads him into a spiral of chaos as he is forced to play cat-and-mouse with a clever killer and an overambitious detective, while at the same time lusting after another woman.

The lives of several couples and singles in New York intertwine over the course of New Year's Eve.

A group of Iraq War veterans look to clear their name with the U.S. Military, who suspect the four men of committing a crime for which they were framed.

More than a dozen Angelenos navigate Valentine's Day from early morning until midnight. Three couples awake together, but each relationship will sputter. A grade-school boy wants flowers for his first true love. Two high school seniors plan first-time sex at noon. A TV sports reporter gets the assignment to find romance in LA. A star quarterback contemplates his future. Two strangers meet on a plane. Grandparents, together for years, face a crisis. An 'I Hate Valentine's Day' dinner beckons the lonely and the lied to.

As the war between vampires and humans rages on, Blade must evade the FBI and join forces with a band of rogue hunters to face his most powerful foe yet.