Marcus is a young man with a disability who is bullied and dies when a vicious prank goes wrong. He then comes back from the grave as a killer clown, to exact revenge on those who have wronged him. He is guided by other killer clowns, who have their own slapstick methods of causing death and destruction. One of Marcus' few friends in life was his neighbor Amy, a lesbian college student with a big heart. As the deaths pile up, Amy is determined to learn the deadly secret behind the recent wave of murders, not realizing that she may be putting herself and her loved ones in danger.