A coastal tanker leaves the Öresund waterway and is headed straight for the Øresund Bridge. When the Coast Guard board the ship they discover there is no crew, and three Swedish and two Danish youths are chained below deck. Saga Norén of Malmö County Police is put in charge of the case and contacts Martin Rohde, who is still haunted by the death of his son. Together they embark on investigating the case. The youths fall rapidly ill, and it soon emerges they’ve been infected with an extremely aggressive and contagious form of pneumonic plague… Martin and Mette have separated, and Martin realizes he needs to see Jens in prison in order to come to terms with the past. Saga is living together with her boyfriend for the first time…
