A Very Brady Sequel

A man claiming to be Carol Brady's long-lost first husband, Roy Martin, shows up at the suburban Brady residence one evening, causing chaos. The Bradys, believing his story about suffering from amnesia and having plastic surgery, are thrown into disarray. As the impostor tries to steal the family's valuable antique horse statue, Greg and Marcia discover they're not really brother and sister, leading to unexpected romantic feelings for each other.