Marcella is shocked by the core of her being, when her husband Jason leaves her unexpectedly, confessing that she no longer loves. Closed, Marcella returns to the Met’s murder squad. Ten years ago, Marcella gave up her fast-paced police career to get married and dedicate her family life. With the sudden end of her marriage and isolated from her 13-year-old daughter and 10-year-old son, Marcella throws herself into the service to stop falling apart.