A mad scientist finds a way to become invisible, as he wants to kill Lavinia. That day Lavinia is spending time with her friend AltSiren. She goes out for a moment and AltSiren remains a lone. She feels something but there is nothing in the room... Suddenly she is assaulted and strangled by something invisible...
When Lavinia comes back and finds AltSiren dead, she doesn't understand... But, soon she meets the same ed. Once both girls are dead, the invisible creep switches himself back to visible, as the girls don't mind anymore