Called to the home of an elderly couple who haven't been seen for a while, Janet discovers Eunice Bevan's severed head at the bottom of the stairs, her body at the top, and her husband Joe in bed, emaciated and barely able to speak. Meanwhile, the detective puts her house on the market, admitting her relationship with Ade is over, and three months in to Rachel's marriage to traffic cop Sean, she's starting to feel a little claustrophobic.