1648 - the Fletchers take over the Castle, flying their family crest, to the chagrin of Lucinda. Fletcher Senior returns safe from Massachusetts to see his grandson. Lucinda meets her husband and Tom in France. They plot to save the King.

Morse and Lewis investigate the death of Anthony Donn who is attending an old boys cricket match at his Oxford college in advance of the team going on a European tour. Morse knew him and had actually met him again not long before his death. The death looks like a suicide, but Morse has his doubts. So does his wife Kate, who is surprised to learn that her husband carried a loaded gun. Lewis goes undercover and joins the cricket team. He learns there is at least one couple, the Fosters, staying at the college who may not be who they claim to be. When a second murder occurs at the cricket grounds, Morse learns the true nature of the Fosters stay at the college and begins to unravel the mystery.

In an effort to avoid paying off a massive gambling debt to a notorious mobster in England, a couple flees to Los Angeles and hatch a jewel theft plot.

In the early 1970s, Dr. Henry West creates an institute to find people with supernatural abilities. When Judith Winstead comes to the facility, she exhibits amazing abilities that the military wants to turn into a weapon.

Three friends discover a mysterious machine that takes pictures 24 hours into the future and conspire to use it for personal gain, until disturbing and dangerous images begin to develop.

Terry is a small-time car dealer trying to leave his shady past behind and start a family. Martine is a beautiful model from Terry's old neighbourhood who knows that Terry is no angel. When Martine proposes a foolproof plan to rob a bank, Terry recognises the danger but realises this may be the opportunity of a lifetime. As the resourceful band of thieves burrows its way into a safe-deposit vault at a Lloyds Bank, they quickly realise that, besides millions in riches, the boxes also contain secrets that implicate everyone from London's most notorious underworld gangsters to powerful government figures, and even the Royal Family. Although the heist makes headlines throughout Britain for several days, a government gag order eventually brings all reporting of the case to an immediate halt.

• Episode 1: Gently with the Innocents

Investigating the murder of an old man in his dilapidated mansion, Gently and Bacchus discover a world which is beyond their comprehension.

• Episode 2: Gently in the Night

Gently and Bacchus investigate the murder of a young woman whose body is found in a local church. They discover that the girl was a 'Fox', a waitress working at the first hostess club in Newcastle.

• Episode 3: Gently in the Blood

When a young woman is raped and murdered, Gently and Bacchus are thrown into a world of racial intolerance, sexual jealousy and turf warfare.

• Episode 4: Gently Through the Mill

When a body is found in a local mill, Gently and Bacchus go on to uncover a web of local corruption, blackmail, fraud and robbery.