When Felice and Hilary were children, they were separated to live with other people. Felice went off with a relative who possessed an unusual bloodline which was passed on to Felice via a kiss. Now all grown up, Felice is a jet-setting model, while Hilary is happily married to husband Jack with a daughter, Amy. One day, Felice calls Hilary and tells her she needs to pass her bloodline onto another relative. When Hilary is killed after the call, Felice slowly makes her way into the family so she can attempt at pass the bloodline onto Amy.