And she'll be the one to pull the trigger.
But Regan - the vicious serial killer responsible for destroying her brother's life - has gone to ground. So she follows him down the Australian south coast with only one thing on her mind.
Revenge is coming - and its name is Harriet Blue...
1925: Mary Russell receives word that one of her friends has been committed to Bedlam mental hospital. Feeling less than balanced herself, the last thing she wants is to visit the mad but she agrees to investigate. When her friend escapes, Russell follows, only to find that the lunatics may be in charge of the asylum, and nothing is as it seems.
'Horowitz has captured Holmes Heaven' (THE TIMES) - THE HOUSE OF SILK was the first official new Sherlock Holmes mystery and a SUNDAY TIMES bestseller.
Beatrice Lacey is passionate about Human Face, the charity she helped to found, and its co-founder. She has learned to turn a blind eye to strange goings on, however; parties for donors who don't seem philanthropic and a merry-go-round of `housekeepers'. But when the latest housekeeper suddenly disappears, DI Kelso Strang is called in.