An extraordinary team of detectives investigate high profile murder cases, starting with the disappearance of Julie Reilly.
The series also follows the Major Investigations Team's inquiry in to the violent murder of Stephen Wallace.
In March 2018, Julie Reilly was reported missing. The skilled investigators of Police Scotland’s major investigations team take up the case.
This episode starts with the interrogation of the number one suspect. With no body, it takes all the detectives' skill to prove the case and charge their suspect.
Forty-six-year-old Stephen Wallace is found dead in his Paisley home from a number of injuries. The detectives forensically comb the crime scene for clues which will lead them to his killer.