Keen to make an example of one of the Order of the Phoenix members, Voldemort orders the kidnap of Cassandra Hannett, a girl involved in the infamous 'Draco scandal' at Hogwarts. Cassie is hiding a few secrets, and is about to discover some in her time at the Manor. She must also avoid dangerously charming Rodolphus, deranged Scabior and stupid yet deadly Amycus, who are all intent on making her their own.
Three of the men at Malfoy Manor are drawn to this lone girl, but for the right reasons. Draco Malfoy, her former friend, feels desperately sorry for her but is unable to help. Lucius Malfoy is initially cold but gradually grows to care for her in his own strange way. Finally, the mysterious Potions master, Severus Snape, who can help her realise her past - and her destiny. They must help devise an escape plan that won't get all four of them killed.