A Scottish drama series centring on two brothers whose lives unravel after they accidentally knock down and kill an elderly man with their car, then flee the scene without reporting it. As one brother pushes to keep the incident buried, the other is consumed by remorse, and their attempts at a cover-up draw them into a web of blackmail, crime, and moral compromise. The series explores themes of guilt, complicity, and the corrosive effect of secrets on family bonds.