Lesbian's Obsession

Reggie and Kim are chosen for parts in their college play production that involves a love scene. To pull it off they have to transmit to the audience a certain sense of intimacy. As the two of them begin to spend more time together, Amber, a college freshman and Kim's understudy in the play, begins to become jealous. Her eyes are on Kim and she feels as if Reggie is taking the girl away from her. Amber tries to win Kim's affections, but these actions grab the attention of Reggie as well.
How long can Amber hold off against Reggie's advances while keeping him away from the girl she desires? And what will happen when she succumbs?