The rivalries responsibilities and relationships reach new heights in Chapter Four of the ABC Family original series Greek. Guest star Jesse McCartney joins the cast for a semester of surprises at Cyprus-Rhodes University. When Rusty convinces the school s most sought-after rushee (McCartney) to pledge his house sparks begin to fly at Kappa Tau and old friends collide when new drama threatens the friendships of Casey Ashleigh Frannie s and the rest of your friends on Greek row. - 786936799224