Trying to start over, Jane Mitchell moves from New York to London and buys an old mansion on the outskirts. She discovers that the house is inhabited by a ghost who looks like her. Trying to help the spirit find peace, Jane unexpectedly finds herself in late-19th-century London, becoming Isabel Jones. Now her life is again under threat: she’s the fiancée of a desirable London bachelor—and an enemy of his older brother. Bastian St. Mower, cold and cynical, is determined to uncover the secrets of the mysterious girl. Can Jane solve all the mysteries and return to her own time without losing her heart?