When adopted Margot goes looking for her birth mother, she finds that she is dead, one of a series of sex workers murdered in Glasgow many years ago. Now Margot must see that justice is done at last.

Detective Inspector Annika Strandhed and the Marine Homicide Unit return to solve more brutal and unexplained murders that wash up in Scotland's waters. The team is challenged as their dynamics shift, pushing them to rapidly adapt as they encounter murders more complex than ever before.

"Contains strong language, violence, sexual situations, and drug use"--Container. A suspenseful Scottish drama about a wealthy couple who would do anything to have a baby. After a chance encounter, they recruit a down-on-her-luck eighteen-year-old to be a surrogate, but secrets emerge about the girl's past that could make them regret their deal.