Generation Wrecks.

Stacy & Liz were best friends till the 7th grade when a mysterious event split them up. Stacy joined the popular crowd and bullied Liz, who was alienated, and fell in with the freaks and goths. 5 years later, Stacy is inspired to repair the friendship and invites Liz to a weekend getaway at her lake house where they used to go, but Liz insists she bring her misfit group with the intent to retaliate for years of misery caused by Stacy.