Greek is a teen drama television series that premiered on the ABC Family network on July 9, 2007. Ten episodes were ordered to run from July through September of 2007. It was announced on August 1, 2007 that ABC Family had ordered an additional 10 episodes of Greek, for a full Season 1 run. The show follows the story of Rusty, a college freshman who wants to have fun in college and leave behind his reputation as a high school geek. He wishes to join a fraternity, but his sister Casey does not want him to interfere with her current enjoyment of Greek life, especially since she is running for president of her sorority. Most of the characters belong to either the fictional fraternities Kappa Tau Gamma (ΚΤΓ) and Omega Chi Delta (ΩΧΔ), or the fictional sorority Zeta Beta Zeta (ΖΒΖ).