Michael MacCauley is a former cop who now works as an insurance agent. To get to work Michael goes the same day by day through the suburban train. On the day of his unexpected dismissal, he meets a mysterious woman who makes him an unusual proposal – he has to find an intruder on the train as soon as possible and identify him. If successful, it will be rewarded with $ 100,000. Michael initially rejects this strange offer but quickly realizes that the offender in the train will attack his family if he does not take action quickly. You will have to choose between family safety and justice.