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Every morning at 6:20, Travis Devine boards a commuter train and heads to work. Devin is a combat officer who suddenly left the service and is languishing in a desk job he hates. But one day, everything changes. His ex-girlfriend Sarah has apparently committed suicide. However, Travis has doubts that it was suicide. He has to find out what really happened, as the mysterious murders continue...

And he has to find out what really happened.