A feisty 17th-century Scotswoman falls in love with a despised landowner, to the dismay of her father.

Graeme has musical talent and is struggling to be allowed to express it. Lois is being pushed by her mother into solo parts in the girls' choir. Together they have to perform at a competitive concert while parents and supporters keep score.

In 1965, at the age of 25, Alan Ackland is sentenced to life imprisonment for the murder of a business associate. In 1971, Sylvia Barker, lonely and depressed after a failed marriage and with two young children to bring up alone, seeks a new direction in her life and applies to become a voluntary prison visitor. Several years later their paths cross.

In Britannia in 130, a young Roman officer named Marcus Flavius Aquila and his freed slave Esca search for the Ninth Legion's gold eagle standard, which vanished with the legion 13 years earlier.