Megan's life takes an unexpected turn when she learns that her tranquil existence with her little brother and single mother is about to be disrupted by a new stepfather and stepsister. Intrigued yet suspicious of their eccentric behavior, Megan resolves to sabotage the upcoming wedding. Her investigation soon reveals a shocking truth: her future family members aren't just odd—they hail from another planet. As she navigates this bizarre reality, Megan must confront her fears about change and the meaning of family.