Air date: 2015-01-13

Runtime: 45 min

The London detectives investigate a brutal attack on a popular art teacher at her college.

Air date: 2015-01-14

Runtime: 43 min

The team investigates the case of a badly burned young woman who has been dumped in the Thames.

Air date: 2015-01-20

Runtime: 45 min

In the team's investigation of a petrol-bomb attack, Jack sets his sights on a reprobate property developer who has so far managed to elude conviction.

Air date: 2015-01-21

Runtime: 45 min

After a teenaged girl is found naked and severely wounded, Charlie tries to identify the victim and connect her to the case of a recent girl gone missing.