DI Sunny Khan is joined by newcomer DCI Jessica James to investigate human remains found in a newly renovated antique home in West London.

The team works to identify the body found in the chimney flue as forensics reveal the cause of death.

The victim's turbulent past comes to light. While Sunny takes a trip to Paris and Jess drops in on an unsuspecting potential suspect, the pair continue to butt heads.

Sunny and Jess' personal lives go from bad to worse while they struggle to keep focused. Meanwhile, the suspect list grows, and a mother and son are put under the microscope.

Sunny and Jess attempt a reset as they follow the clues in the case.

Can Sunny, Jess, and the team bring the clues in the case together and unravel the secrets to solve it?