They are the "Seven Deadly Sins" – the seven Sinclair brothers and sisters who live for scandal and delight in disgrace…until their father decrees that they must marry in haste…or regret in poverty!

Lady Ivy Sinclair can't live without funds much longer, so she vows to land a sensible, serious husband her father will accept. But just when the respectable gentlemen is about to pop the question, another woman snatches away his attentions. Furious, Ivy hatches a plan – make him jealous by hiring a handsome actor to impersonate a marquess, – a marquess who happens to be madly in love with her.

The moment Ivy boldly kisses Dominic Sheridan – to test his fitness for the task at hand – she sure he's perfect for her desperate scheme. What Ivy doesn't know is that the blue-eyed rake isn't acting at all, but intent on stealing her heart while seducing her into committing the most wicked of sins.