"Nick & Norah's Infinite Playlist" is a real and reel Rorschach test.

If you are a mature tween or teen, you will find it incredibly cool to watch high schoolers pull an all-nighter in New York as they club-hop, play and listen to indie music, flirt, try to suss out a secret concert, drive around in a van or beat-up Yugo and, in one case, get crazy drunk and lost. If you are an adult, you will wonder about the underage drinking and why the never-seen parents aren't texting "Where R U?" at 3 a.m.

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"Nick & Norah's Infinite Playlist"

2 stars = Mediocre
Ratings explained

• Starring: Michael Cera, Kat Dennings
• Rating: PG-13 for mature thematic material including teen drinking, sexuality, language and crude behavior.
• Web site: sonypictures.com/movies/nickandnorah

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"Nick & Norah" stars Michael Cera as Nick, a sensitive soul not over his breakup with a mean girl who happens to be a classmate of Norah (Kat Dennings). When Norah asks Nick to pretend to be her boyfriend for five minutes in a club, it turns from ruse to possible real romance.

Based on the novel of the same name, "Nick & Norah" has a hipster soundtrack, an energetic, appealing younger cast who mention sexual matters in a rather adult way and a night filled with more detours than Pittsburgh's parkways.