About this season
In 1994, a toddler disappeared from a small Welsh village, never to be seen again. 23 years later, in London, the mother of rising cello star Matilda Gray commits suicide, without apparent reason. Among her possessions, Matilda discovers tantalising evidence, linking her mother to the Welsh girl's disappearance all those years ago.
Episodes (6)
1. Matilda
5.9Aired 2 February 2018 • 57 min
Successful cellist Matilda Grey puts her career on hold to investigate whether her mother's suicide is connected to the disappearance of a girl from a Welsh village.
2. The Blue Room
6.3Aired 9 February 2018 • 58 min
Matilda has unsettling encounters with residents of Penllynith and grows increasingly suspicious of Rose, while events in Dean House become evermore sinister.
3. The Necklace
5.9Aired 16 February 2018 • 58 min
Matilda's revelation reopens old wounds for the residents of Penllynith, and the Dean family's sinister connections are revealed. Rose is pushed to breaking point.
4. Blaidd Carreg
6.8Aired 2 March 2018 • 57 min
Matilda starts to piece things together, with help from an unexpected source. Graves investigates the suspicious circumstances surrounding Ewan's death.
5. Bessie
6.8Aired 9 March 2018 • 58 min
Laura warns Matilda that she is in grave danger, as Graves grows suspicious of Aron and Ed, and Hal vows to get to the bottom of things once and for all.
6. Carys
6.1Aired 16 March 2018 • 58 min
Matilda ignores Sean's advice that she should leave Penllynith, choosing instead to protect Davey.