Kaitlin knows that the girl code has a lot of rules. Question. What do the rules say about dating your step-brother? Meanwhile, Natalia is learning how to trust again-though its hard trusting the one that hurt her in the first place.

For years, it was just me and Mom. Now all of a sudden I've got a new stepdad, a stepbrother, and my best friend's hot older brother is starting to look at me funny. Maybe he's finally noticed I'm not twelve anymore?

Melanie faints in Adam's arms one day. Soon she becomes friends with him and Derek. Things get really crazy when she gets a boyfriend, and their feelings for her aren't so clear. What's a girl to do when she's forced to choose between two guys? COMPLETE