You met them in Cruel Summer: Vanity, the gorgeous celebutante; Dante, the hip-hop dreamer; Max, the second-generation Hollywood bad boy; Christina, the anime-obsessed Latina; and Pippa, the British hottie. Now, with a sex tape looming overhead and a very adult career happening in secret, you're about to get to know them better than ever.

But as out-of-control parties rage and dangerous connections form,...