In a school run by gangs, staying out was harder than joining. We knew who our friends were, and were careful what we said. If people thought we were haters, it would only be a matter of time....

Lines are clearly marked at South Bay High School. It's mixed territory for the Crips and the Bloods, which means the drama never stops.

Julia DiVino wants none of it. No colors, no C-Walks -- it's just not her thing.

But when Eric Valienté jumps into her life, everything changes. Lines are redrawn. And then they're crossed.