After the devil (Luci) starts a war in heaven, an angel named Gabriel loses his wings for disobeying God. He is banished from heaven and sent to earth to help humans, one at a time. He must finish his final assignment by helping a woman named Christine before he regains full angelic form. Luci wants Gabriel to join the dark side and sends a demon named Asmodeus to help Gabriel finish his job. Asmodeus has his own plans.