Garson discovers something about the curse of the Jekyll family that could hold the secret to saving Maggie's life. Dance sets his trap, tempting Robert with an offer of help - but Bulstrode disrupts their meeting.

Cast: Tom Bateman, Ruby Bentall, Amy Bowden, Hubert Burton, Enzo Cilenti, Sinéad Cusack, Tom Davis, Wallis Day, Kirsten Foster, Oliver Gilbert, Chiara Goldsmith, Richard E. Grant, Natalie Gumede, Tom Rhys Harries, Stephanie Hyam