Follows the staff and patients of a Yorkshire cottage hospital in the 60s, embroiled in tangled love lives and bitter power struggles.

Two years after the events of Tough Love, Lenny Milton has been transferred, but still finds that he is hated by his colleagues, who have branded him a grass. Meanwhile, when a friend of his Lenny's son dies during a heroin-related overdose, a drug-related gang war breaks out, and Lenny seizes his opportunity to re-ignite his feud with drug trafficker Barry Hindes. Obsessed with bring Hindes to justice, Lenny ignores the advice of his colleagues as he sees a chance for vengeance.

In 1971 Salford fish-and-chip shop owner George Khan expects his family to follow his strict Pakistani Muslim ways. But his children, with an English mother and having been born and brought up in Britain, increasingly see themselves as British and start to reject their father's rules on dress, food, religion, and living in general.

The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under suspicion, and it is up to a veteran DCI and his young sergeant to calmly and diligently eliminate the innocent and ruthlessly pursue the guilty.