A girl named Madison is getting ready to celebrate her 16th birthday with a party at the roller skating rink. However, a masked killer shows up and starts killing off her friends one by one. As the night goes on, Madison realizes that the killer might have a personal grudge against her and must find a way to survive the night.

In 'My Super Psycho Sweet 16: Part 2,' Skye Rotter must face the traumatic events of her past as she tries to celebrate her sweet 16. However, her father's killer is back, and Skye must fight to survive the night and confront her darkest secrets.

In My Super Psycho Sweet 16: Part 3, a dark heroine seeks revenge on her arch-nemesis, a female killer. The movie takes place in a psychiatric hospital and features betrayal, sibling rivalry, and a high body count.