In an effort to ensure her own existence, Junta's great granddaughter travels back in time to persuade him to remain the Mega-Playboy. Her mission is joined by an old man who seeks to keep Junta in this state indefinitely for his own reasons. As Junta is targeted by assailants, he is compelled to revert to his alter ego, the Mega-Playboy, in order to safeguard his beloved family.