Publicly humiliated by the snobbish comments of a socialite, a pretty provincial miss runs away from a party. The heroine of the book - her name is Caitlin Campbell - rushes home through the dark streets of London. By chance, Caitlin turns out to be the savior of a mysterious stranger: wanting to divert the attention of a gang of villains, he kisses her. She is horrified by his insolence, but she manages to leave unidentified, and he eludes pursuit. Very soon Caitlin discovers that this impudent man is an elegant aristocrat, engaged to the very lady who insulted her! Now she finds herself drawn into a web of dangerous romantic intrigues, from which the only way out is to trust her heart.