In 1989, a misunderstood teenager has a high school crush — who just happens to be a handsome corpse! After a set of playfully horrific circumstances bring him back to life, the two embark on a murderous journey to find love, happiness…and a few missing body parts along the way.

A brilliant toy company roboticist uses artificial intelligence to develop M3GAN, a life-like doll programmed to emotionally bond with her newly orphaned niece. But when the doll's programming works too well, she becomes overprotective of her new friend with terrifying results.

With a new principal in town and the Spring Fling in jeopardy, Rhyme and the Chicken Girls must band together to save the dance.