The story is set at Tranquillum House, a remote health-and-wellness resort. Nine stressed city dwellers arrive seeking a total transformation, without their phones or cars, effectively cutting them off from the outside world. Overseeing the retreat is the resort’s director, Masha, a woman with a dark and unexpected agenda for her guests. The novel is a psychological thriller that mixes humor with suspense and has been praised for its witty characters and twisty plot.