The BBC and S4C drama stars Eve Myles as Faith Howells, a lawyer and mother who is drawn deeper and deeper into a web of conspiracy and lies after the sudden disappearance of her husband.
The first series was broadcast in Welsh as Un Bore Mercher, then in English on BBC1 Wales. The series became a record breaker on iPlayer, and eventually received a prime time broadcast on BBC1.
Staring Aimee-Ffion Edwards, Nia Roberts and Rhashan Stone.
Watch on Tuesday 23rd July at 9pm on BBC1.