When Mallory Dawson gets a call from a former colleague, Elsa, describing a strange scene, she initially thinks nothing of it.

In Paris 1940, survival means sacrifice. Like most in the city, Detective Eddie Giral has already lost so much under Occupation: the people he once loved, the job he once believed in.

Jesus College, Oxford, 1881. An undergraduate is found dead at his lodgings and the medical examination reveals some shocking findings.

On 17th April 1984, as police and anti-Gaddafi demonstrators gathered in the street outside the Libyan People's Bureau in London, they had no way of knowing they were about to become part of one of the greatest tragedies in British policing history.

Ian Chambers is in trouble and under pressure, guilt ridden and struggling to complete the first draft of his novel.

When the body of a baby is found wrapped in a swan's wing deep in the woods, archaeology professor and expert consultant Carla James is brought in to assist on the case.

A woman's corpse is discovered near a Welsh community. Harry Probert-Lloyd has returned home from London and is preparing to inherit his father's work as magistrate - but is also slowly going blind.

Paris, June 1940. The Nazi occupation of Paris begins. Detective Eddie Giral - a survivor of the last World War - watches helplessly on as his world changes forever.

Welcome to Eldey, an island with deadly secrets. Mona: a carefree artist, staying at the Cloister to work on her illustrations.

Welsh artist Sara Jenkins' husband and young son are killed during the shooting of a wealthy Italian in London.

The Salvation Army has come prancing and singing from the slums of London to the poorest quarters of Oxford, but along with its red hot gospel preaching and music hall songs it brings a prohibition message which sparks immediate opposition and violence.

Paris, 1940. As the city adjusts to life under Nazi occupation, Detective Eddie Giral struggles to reconcile his job as a policeman with his new role enforcing a regime he cannot believe in but must work under.