With the Synths in captivity, the devastated Hawkins’ realise how much Mia and her family mean to them and are determined to help them.

Killer Synth is the breaking news story, and public panic is growing. Karen is hot on Niska’s tail, but are her motives for finding her more personal than professional?

After a body is found on an Oxford tour bus, Lewis and Hathaway are led to Crevecoeur Hall, a sprawling Oxford estate where Hathaway spent much of his childhood.

After a murder at the Kembleford charity treasure hunt, general suspicion falls upon a bereaved man who wants revenge. However, Father Brown is determined to prove the man’s innocence.