Silent Witness

A friend of Sam's and a senior lecturer at a Cambridge college is found murdered. New detectives DI Connor and DS Bradley suspect Annabelle’s husband.

A student is murdered and the police suspect it is the same person who killed the lecturer. Sam is too close to the case and her emotions cloud her judgement.

Gemma Boyd is found dead in an empty house where mysterious phone calls are logged. As they investigate, dark truths about the family are brought to light.

When Suzy Franklin’s first husband turns up after being released from prison, she greets him with a knife. Kate remains isolated and desperate for her father’s love.

A drug war leads Sam into the murky world of dealers, undercover detectives and police corruption. Two weeks later, an explosion kills a local drug dealer.

After Fox is beaten up, he believes his attackers are police officers. When a second drug dealer is murdered, the police consider it the work of vigilantes.

A farming accident leads Sam to investigate the army cover-up of a murder in Northern Ireland in 1985. When local farmer Phil Nelson dies after a fall, Sam Ryan thinks the death is accidental.

Sam emotionally entangled with DI Michael Connor but continues her investigations into two suspicious deaths. The arrival of Helen shows she is more about her work.