Ifan Huw Dafydd

Turning the traditional investigative drama inside out, each binge-worthy season of this gripping Welsh mystery starts with a shocking murder before immediately rolling back 35 days to follow the chain of events that lead to that fateful day.

In 1st century Wales, four teenaged rebels are forced to exile into the wild after they accidentally kill a Roman soldier and trigger an uprising.

Chief Fire Officer Boyce announces that the old Pontypandy fire station will be closed down to make way for a new, more modern fire station and two new members of the firefighting crew. Charlie and coastguard Ben see a hurricane has rapidly developed.

A grief-stricken psychiatrist (Richard Harrington) tries to help a teenager (Jaime Winstone) who cuts herself and has a thirst for blood.