After the sudden death of his sister, Marvin turns to his girlfriend, a therapist and a co-worker for comfort, only to find himself alone in his grief. When he loses his cell phone, Marvin falls for the mysterious woman who has procured his phone. Marvin, however, soon finds himself embroiled in a dark underworld when a threatening detective shows up at his office, making it clear that the mysterious woman on the phone is not who she says is.