Sion Young

Eve Myles returns as Faith Howells as she attempts to navigate the fall out of her marriage break-up, while taking on an emotionally wrenching legal medical case involving a gravely ill little boy. Bradley Freegard as Evan Howells and Mark Lewis Jones as Steve Baldini are joined by Olivier award-winning Celia Imrie (Victoria Wood: As Seen On TV, Dinnerladies, Best Exotic Marigold Hotel) for this third series. Matthew Aubrey (Made in Dagenham, The Gospel Of Us), Bafta Award-winning actress Dame Sian Phillips, and presenter and actor Shaun Fletcher have also joined the cast. Keeping Faith was originally developed by S4C as Un Bore Mercher. Produced for BBC Wales and S4C by Vox Pictures, in association with APC and Nevision. Directed by Pip Broughton and Judith Dine, written by Matthew Hall and Pip Broughton, and produced by Pip Broughton and Llyr Morus.

这部由Emilia di Girolamo负责编剧的剧集讲述1992年的真实犯罪事件 - Rachel Nickell强奸谋杀案。当时警方认为Colin Stagg是真凶但却证据不足，而无奈之下年轻探长决定与国内一名犯罪侧写师合作，并进行一次十分大胆的卧底行动。Niamh Algar饰演卧底警员Lizzie James，她被指派接近嫌疑犯Colin Stagg并引诱对方。                                                                      另外，现实是Colin Stagg并非真凶，凶手真身是Robert Napper，而08年时英国内政部得向Colin Stagg赔偿706000英镑。