Collateral is a thriller set over the course of four days and focuses on the repercussions that follow the apparent random death of a pizza delivery man.
Detective Inspector Kip Glaspie has been left in charge of the investigation, and refuses to accept the murder as a random act of violence. As the next few days unfold, Glaspie is caught up in a whirlwind investigation to track down the killer and uncover the darker underbelly behind the attack.
Meanwhile, politician David Mars gets caught up in the drama through his turbulent relationship with his troubled and unpredictable ex Karen, while vicar Jane Oliver is forced to conceal her affair with the only witness to the crime.
The four-part crime drama starts Monday on BBC 2.