DCI Tom Mathias investigates a suspicious disappearance in Aberystwyth.
Coming-of-age story of a teenager coming to terms with teenage life.
The team tries to uncover the truth behind the Joyce Cox murder.
Tegan wants to reunite with her lifesaver, and Lee meets the brother he never knew he had.
Emma gets a tour of her new patch with tutor Ash.
A gruesome surprise for a wealthy family and a detective dealing with horrors of his own.
The inside story of how detectives used groundbreaking techniques to hunt a serial killer.
Laura designs a look for Emma to help visualise what autism feels like for her.
On Valentine's Day 1988, a young girl is discovered murdered in Cardiff's docklands.
The hunt for Peter Moore, the 'man in black' who was Wales’ worst serial killer.