A doorstep distraction burglary leads officers to a violent serial offender. And police cracking down on drug crime uncover a huge fake ID factory serving criminals across the UK.

Police called to do a welfare check on a missing man end up hunting for a double murderer. And an officer on his day off spots a car he knows belongs to a disqualified driver. His investigation not only catches a serial driving offender but a man with a whole load of Class A drugs.