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

Hathaway is struggling to cope with his father's illness, as he begins his search to find out who he was before the dementia kicked in.

When College Dean Phil Beskin is found brutally bludgeoned to death with a rock in local woodland, Lewis and Hathaway are called to investigate.

Faced with the seemingly impossible task of identifying the remains of a body discovered in a well, Lewis has also got to contend with new boss Chief Superintendent Moody. Realising that the body in the well is connected to the murder of young artist Talika Desai, the police follow leads into the worlds of drugs, social media and the homeless community, but will they manage to link all the pieces together?

Lewis and Hathaway are called in to investigate the apparent death by drug overdose of over achieving student and amateur taxidermist Talika Desai.