The fourth instalment of Shetland series eight will see Tosh (played by Alison O'Donnell) believe she has the murderer in custody.
She tasks the team with finding the evidence to charge them while DI Calder suffers in silence with Jean’s revelation. Meanwhile, Ellen's family have secrets of their own with the influential and notorious Bains, led by dominant matriarch, Grace.
DI Calder is also dealing with figures from her past including her ex-boyfriend Cal Innes and estranged younger brother Alan – now the minister of their late father’s old kirk.
Who stars in Shetland series 8, episode 4? DI Ruth Calder – Ashley Jensen Ashley Jensen took over the role of lead detective portraying DI Ruth Calder who is a "formidable, she’s strong, she’s a woman in a man’s world".
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