In series one Wycliffe is called in to head up several murder investigations, delving into each case to discover the culprits and the true nature of those involved in the deaths.

Wycliffe is faced with many intriguing mysteries in series two - including the hunt for an escaped prisoner, a woman found dead in a car, a body washed ashore and claimed by two different wives, a dead schoolgirl and a surfer in a deep coma.

In series three Wycliffe celebrates his silver wedding anniversary. As always, celebrations are interrupted by a murder investigation.

In series four, Wycliffe faces a raft of new murder cases and an internal investigation.

Wycliffe gradually recovers from his injuries and begins to take on cases again. Whilst trying to solve a number of particularly complex murders, he is also forced to defend his reputation as photographs sent to the police threaten his good name.