Jill Melford

Upper-class Tony hires servant Hugo Barrett, who turns out to have a hidden agenda.

When Henry Jekyll's experiments with cocaine have gotten out of control, he transforms into the hideous Jack Hyde. As Hyde he searches the London streets at night for his prey in whorehouses and opium dens. The police can't catch ...

Czech-speaking, out-of-work Briton Nicholas Whistler is unwittingly sent on a secret mission to Prague by British Intelligence.