When a woman goes missing with her 9-year-old son, detectives Ruth Calder and Tosh McIntosh are drawn into a case that blurs the line between the personal and professional. With Calder now living on the Shetland Isles, this new investigation tests their evolving partnership. Shetland, Season 8 Watch free on knowledge.ca #knowledgenetwork #shetland #drama #crimedrama #scotland #britishcrimedrama #british #ruthcalder #toshmcintosh | Knowledge Network