After Gagandip Singh's body is discovered in a burned car, detectives learn that his father was murdered on a business trip, and search for a connection. S1 Ep5
A re-investigation into the case of Michael Menson, who was found on fire. His family campaigned for justice for two years to prove his death was no accident. S1 Ep4
When barman David Morley was beaten to death on London's South Bank, lead detective Nick Scola deduced that the attack was not what it first appeared to be. S1 Ep1