The cheerful holiday of a young couple, is upset by an unexpected meeting and the gift of an old medallion. Such mysterious jewel seems to have an evil influence on the fascinating girl (Roberta Missoni) turning into a bond that is going to tie her to a group of disquieting people,subdued to the will of their grim, charismatic boss. Inexplicably Roberta is overwhelmed and escapes during the night in order to meet her terrible destiny. The upset fiance' begins his desperate quest helped by a stranger with an obscure past.