Death in Shetland Waters

Cass Lynch has achieved the post of third officer aboard her beloved ship, Sorlandet. They're sailing from Norway to Ireland as part of the Tall Ship's race when an unnerving early-morning encounter leads to suspicions that there's a stowaway aboard – yet a police search finds nobody. Then one of the trainees goes missing ... Cass and DI Gavin Macrae find themselves up against a ruthless killer.