Yvonne sells Nature Boy cosmetics for a multi-million sum. Gary travels back through the time gate in Ducketts Passage, arriving on a foggy night, where things don't look quite usual for the 1940s. At the Royal Oak, he finds it's the 1880s, hough the policeman and a music-hall singer look strangely familiar. He is accused of being Jack the Ripper when two murders occur close by on the two nights he's there. While escaping the mob, he meets the real Ripper... (thetvdb.com)