Blue Murder

Starring Caroline Quentin. DCI Janine Lewis returns after her maternity leave only to be plunged into a murder investigation - and then witness a hit-and-run incident.

After the cremation of suicide victim Charlotte Moran, evidence suggests that a second body burned with hers in the coffin. But whose?

DCI Lewis investigates when a well-respected mullah is killed in an arson attack on his home.

When the only witness to a woman's murder is an autistic boy who cannot communicate what he saw, Janine has to get to the truth another way.