Episode 1
S4, E1: Thomas Malone returns to Shetland after 23 years in jail for murder. His release coincides with the murder of local journalist Sally McColl. Perez must investigate both cases.

S4, E1: Thomas Malone returns to Shetland after 23 years in jail for murder. His release coincides with the murder of local journalist Sally McColl. Perez must investigate both cases.