One for the Road follows Jimmy, Paul, Richard and Mark who meet on a rehabilitation course for drink drivers. Jimmy is young, ambitious and desperate to sell his late father's business; Paul has been salesman of the year three times running, however, that was five years ago; Richard is a retired millionaire property developer and Mark is a taxi driver with a weakness for weed and philosophy.
The key to solving the toughest homicides lies somewhere in the final hours of a victim's life. In each one-hour episode, determined investigators must piece together events during this critical window to reconstruct the timeline, unlock the motive, and ultimately close in on the killer.
