"Out of this World" is a musical adaptation of Plautus' comedy Amphitryon. The story revolves around the lives of Roman gods Mercury and Jupiter, who are in search of some earthly entertainment. The focus of their attention turns to a young bride, Helen and her husband, Art. Things get interesting when Mercury joins the two on their trip to Athens, intending to put himself between the blushing newlyweds. While the men are busy chasing Helen, Goddess Juno (Jupiter's wife) is playing games of her own.