New York Timesbestseller Deborah Crombie returns with a new novel featuringScotland Yard detectives Duncan Kincaid and Gemma James as they race to solve the shocking murderof a young woman before panic spreads across London.On a rainy November evening,trainee doctor Sasha Johnsonhurries throughtheeveningcrowd inLondon'shistoric Russell Square. Out of the darkness, someone jostles heras they brush past. A moment later,Sashastumbles, then collapses.When Detective Superintendent Duncan Kincaid and his sergeant, Doug Cullen, are called to the scene, theydiscover thatshe's beenstabbed.Kincaid immediately callsinhis detective wife, Gemma James, who has recently been assigned to a task force on knife crimeswhich are on the rise.Along with her partner, detective sergeant Melody Talbot, Gemmaaidsthe investigation. But Sasha Johnson doesnt fit the profile of thetask forcestypicalknife crime victim. Single, successful,career-driven, she has no history of abusive relationships or any connection to gangs. Sasha had her secrets, though, andsome of them lead thedetectives uncomfortably close to home.Asthe teamunravels the victim's tangled connections, anothermurder raises the stakes.Kincaid, Gemma, and their colleagues must put evenfriendships on the line to find the killer stalking the dark streets ofBloomsbury.