A mysterious, silent caller infiltrates the life of Brooke, a lonely 1-800 Phone Sex operator, gradually revealing the extent of an all-consuming, dangerous obsession. Sensing she’s being perpetually watched, Brooke first seeks refuge in Hunter, a cynical detective unable to reconcile his jealousy and instinct to protect. The complications of Brooke and Hunter’s affair allow 1-800 Phone Sex operator Zoe – daring but delicate – to seek out Elle, the silent caller, only to experience the powers of her seduction and paralyzing intimidation. But Brooke remains Elle’s target all along, and she uses all her abilities of deceit and persuasion to fuck and then entrap Brooke and Hunter’s partner Bruce, climaxing in a dangerous liaison that exposes the deepest, darkest recesses of Elle’s mind.