Whitechapel, 1888

Time-traveling symbionts Petra and Kipp arrive in Victorian England during the time of Jack the Ripper. Petra appears as a woman, while Kipp poses as her canine companion. Their mission--quickly find their boss's son, Silas. But the telepathic duo's efforts prove unsuccessful until local philanthropist William Harrow points the way. Silas is pursuing Jack the Ripper, whose disturbing thoughts of murder are turning to Petra and Kipp. Now the pair must evade the Ripper and corral Silas before their new friend Harrow asks Petra for her hand in marriage. Fail, and the Ripper will add a new victim, Petra, to the history books.