Adrian Strathmore is a reclusive genius by day. However, by night, he is a masked avenger named Prometheus, rescuing unfortunate children from lives of prostitution. Horribly burned as a child, he loves the anonymity of his mask. Vanessa Bourke, the famous actress, is fascinated by both Adrian Strathmore, who throws flowers at her feet but remains in the shadows, and Prometheus, the masked man who shows up in her flat in the middle of the night...