Synopsis

Henrietta Doran, an American heiress known to most as Hatty, was poised to marry Lord St Simon when she quite inexplicably disappeared on her wedding day, sending ripples of astonishment through London society. Days later, the police discovered her wedding gown in the Serpentine, a lake within Hyde Park, and a note tucked into its pocket. As Holmes delved into the perplexing case, he found himself troubled by vivid nightmares, which he believed held a key to unraveling the mystery.