When Lewis and Hathaway investigate a murder in town, forensic evidence leads them to suspect there is a connection with the reforming of an old rock band.

Hathaway and Maddox continue to investigate the murder of Travis as the trail leads back to Lewis’s original case. The two detectives attempt to prevent another murder and Lewis sees himself isolated and alone with his reputation in jeopardy.

When the master of a college is found dead at the foot of the observatory stairs, suspicion falls on all of the staff - from senior tutors right down to the scouts.

Lewis' reputation is jeopardized when the very first case that he solved as a DI is reopened for appeal and new murders are committed with the original weapon.

When a man is found dead at the Bodleian Library, Lewis investigates a link between the death and an intruder on a local professor's property.

When a local businesswoman is bludgeoned to death, it appears to be a blackmail plot gone wrong. As the body count rises, Lewis and Hathaway realize there is a decades-old secret at the heart of the case, which they must uncover to bring the present-day murders to a halt.

Lewis and Hathaway are drawn into a world of virtual bullying, but very real murder, when a professor is found dead after her dating video is leaked online.

Lewis investigates the murder of a beautiful young Eastern European woman whose death comes straight from the pages of a popular fantasy novel.

When Lewis and Hathaway are called in to investigate the murder of a rising Oxford theatre star, they focus their suspicions on his acting colleagues.

When a botanist accidentally digs up the body of the recently buried Murray Hawes, Lewis and Hathaway are set upon a seemingly impossible quest.

Lewis and Hathaway are called in to investigate the death of Reuben Beatty who works at the University of Oxford’s Department of Psychology. He has been discovered dead injected by etorphine, a paralysing agent in the offices of psychic ‘Randolph James’.

Liam Jay is in intensive care and Lewis and Alex believe that he has information about the death of Matt Whiby and the mysterious cremation. It is revealed by Emma Barnes that Johnny Jay, Liam’s father, was at the fateful supper party and he is missing as well.

The corpse of a missing student is discovered in the attic of a college chapel.

Hathaway's murder theory has fallen apart. It might take Lewis's insight to close the case - but will his former protege listen?

After a difficult start, Lewis and Hathaway's partnership seems to have gained some semblance of normality. DS Maddox has become a part of the team. Her abilities will be put to the test when an investigation begins on the brutal murder of an American classics student Rose Anderson Her body is hauled from the canal with a stand wound to the neck and abdomen. Suspicious soon fall on astrophysics professor, Felix Garwood who had recently broken off an affair with Rose. However, Felix was married to Rose's supervisor, Philippa Garwood. Could the jealous wife have committed such a murder?

Lewis' team must delve into the worlds of social media, drugs, taxidermy, alternative art and the homeless East European community.

When an idyllic Oxford summer's day is torn asunder by a gruesome parcel bomb, Lewis and Hathaway are called in to investigate.

With his six-month trip to New Zealand with Hobson on the horizon, Lewis is in a race against time to save his career and relationship.

Lewis and Hathaway are thrown into a delicate case involving one of the Oxford University's most prominent figures.

When an Oxford housewife is found hanged in her home, Lewis and Hathaway unearth a far darker murder case than the initial suicide verdict suggests.

Lewis and Hathaway investigate a link between the murder of a professor of German history and the recent winner of a local underground boxing bout.

When an old friend of Hathaway's commits suicide, Lewis investigates a link between his death and a religious group whose members are being targeted by a killer.

An embalmed body is discovered dumped by an isolated farm track. Funeral director Brian Miller identifies the body and GP Matt Whitby confirms the gentleman died of cancer.

Lewis and Hathaway investigate when a controversial American academic is murdered after speaking at Oxford's Department of Criminology.

Lewis comes face to face with his past in a case driven by celebrity, scheming, and dangerous sexual politics.