A woman comes to the window of a car and man invites her to get in. She gets in and whispers something in his ear. Immediately following, they have sex in the back seat of his car.

Lauren's (Julia Stiles) nipples are seen through her shirt a few times

A man slices a bird's throat. Although, it is done off-screen, it is intense.

28 uses of the word "fuck"

Several characters are seen drinking in bars, several times

Danny/Ian smokes throughout the movie