In this thrilling three-part drama series tragedy strikes as Alex's (John Simm) son is stabbed and rushed into surgery with renowned trauma surgeon Jon Allerton (Adrian Leser) who attempts and save his life.
When Jon is unable to save him, Alex can't let go of the idea that Jon is responsible for his son's death.
Alex becomes more and more obsessed with the exact details of what happened inside of the operating theatre and the moments leading up to when Jon was called in, as he attempts to get to the bottom of exactly what happened to his son.
BBC First is the home of premium, original British drama – unmissable content that challenges perceptions and exceeds expectations.
From edgy new perspectives to a fresh look at classics, BBC First brings you unforgettable characters, unexpected stories and unmissable moments, first and express from the UK.
Catch up on your favourite soaps only two days after their UK premiere and enjoy Arabic subtitles on specially selected prime-time shows. Welcome to BBC First.