Clarissa is set to marry Lord Marldon, the depraved and gleefully cruel earl to whom she's been promised. When her friends try to scupper the proposed marriage, Clarissa, oblivious to their plan, falls in love with Gabriel, a beautiful Italian artist. Marldon hears of the blossoming relationship and kidnaps Clarissa, imprisoning her in his Piccadilly mansion and subjecting her to his darkest desires. When Gabriel attempts a rescue, he too is taken captive and the young lovers find themselves at the mercy of the debauched lord.