Holly Michelle Phillips (née Gilliam; born June 4, 1944) is an American singer, songwriter, and actress. She gained fame as a member of the 1960s group The Mamas & the Papas, and is the last surviving original member of the group.
A spoiled rich girl named Sabra Tanner (who feels ignored by her rich mother) teases and harasses her college schoolmates even though she does not know why she wants to hurt all the people around her. Her sociopathic antics bring bad consequences for her when her actions drive one of her classmates to suicide. Realizing she is completely ostracized, Sabra walks into the ocean to drown herself.