When Gabriel Webb volunteered for a sleep lab experiment, he didn't expect to find himself pursued by the Grim Reaper on a bicycle. And when, on a cold October morning, Rob Mangan offered a cup of hot coffee to a shivering stranger in the R&P Labs parking lot, he never dreamed what the consequences of his act of kindness would be. Soon the scientists turned detectives are dodging homicidal cyclists and exploring the thin line between dreams and reality as Virginia contemplates retirement, Mitch contemplates fatherhood and Ellis gets in touch with his inner lumberjack.