Gemma, an overwhelmed new aunt, takes on parenting duties for her 8-year-old niece Cady, despite feeling unqualified. As work stress mounts, Gemma turns to her M3GAN prototype, hoping it will solve both her childcare and professional crises, but this choice sets off a chain of unforeseen events.

M3GAN
A pioneering robotics engineer at a toy company creates a revolutionary doll that surprisingly gains self-awareness.