Alina Railo joins an expedition to Finnish Lapland, seeking access to a parallel universe potentially holding solutions to the climate crisis. Her late father initially investigated this universe before vanishing there decades ago.
Dalgliesh will be made up of three two-part films, each comprising 2 x 60 minutes.
The show, will be set in mid-1970's England and is told from the perspective of the enigmatic detective, following his career to present day as he solves unusual murders and reveals buried secrets.