4400 1x1 - Past is Prologue

Over the last century at least four thousand four hundredpeople who were overlooked, undervalued, or otherwisemarginalized vanished without a trace off the face of theplanet. Last night, inexplicably, they were all returned inan instant to Detroit having not aged a day and with no memoryof what happened to them. As the government races to understandthe phenomenon, analyze the potential threat, and contain thestory, Jharrel , an empathetic social worker, and Keisha, ahardened community corrections officer, are among the civilservants called upon to deal with the uncanny refugees.