Intrigued by the frenzy around the hot cast, even non-Twihards want to sink their teeth into "New Moon." So, before the latest "Twilight" film opens Friday, catch up on who's with whom, on-screen and off.

"Twilight" 101: New teen in town Bella Swan (Kristen Stewart) falls for classmate Edward Cullen (Robert Pattinson), a vampire. Find a full summary.

The story continues: "New Moon" expands the role of Jacob Black (Taylor Lautner). He crushes on Bella. He transforms into a wolf. He goes shirtless in the trailer.

OMG, are they? Fans scrutinize the real-life relationship between Stewart and Pattinson. Analyze their body language in paparazzi pics.

Locked lips: Stewart was asked if she and Pattinson were dating. Her answer?

Swift, wolf? Meanwhile, Lautner is linked to Taylor Swift. The country music sensation alluded to him in her recent "Saturday Night Live" monologue. See the clip.

She might bite: Reminding its creator of Kirsten Dunst in "Interview With the Vampire," Swift has an open invitation to appear on this vampire TV series.

New kid on the block: Dakota Fanning joins the cast of "New Moon" as Jane, a member of the powerful Volturi coven.

Author, author: Stay-at-home Arizona mom Stephenie Meyer is the brains behind "Twilight." (She's sold how many books?!) Find clips of her Oprah interview.