This series was set in a fictional Yorkshire town and based on the books by David Nobbs, the creator of Reginald Perrin and Henry Pratt. Each episode took place at a different social function (a "do") and followed the changing lives of two families, the working-class Simcocks and the middle-class Rodenhursts, together with their respective friends, Rodney and Betty Sillitoe, and Neville Badger.

Catherine is a no-nonsense police sergeant who heads up a team of officers in a rural Yorkshire valley. When a staged kidnapping spirals out of control turning into a brutal series of crimes, Catherine finds herself involved in something significantly bigger than her rank, but unknowingly close to home.

In nineteenth century Yorkshire wealthy orphan Anne Lister lives with an aunt and uncle, anxious for her to marry well and blissfully - unaware that she is a lesbian. Anne is recording her thoughts and exploits in a coded diary. When her lover Mariana Belcombe makes a marriage of convenience to rich old Charles Lawton she feels betrayed and, although Mariana visits her,the relationship is going nowhere. Helped by old flame Tib she makes a play for innocent Miss Browne but sees she is barking up the wrong tree and diverts herself by renovating the family hall. A drunken Tib almost exposes her secret and scornful mine-owner Christopher Rawson, whose marriage proposal she rejects, tells her that her sexuality is a subject of local gossip....