A wounded man, an F.B.I badge, the Graham Quartet answers a call for help In the midst of the cold, snowy woods, the Graham Quartet stumble across a mystery. It could mean danger, but that doesn't stop Elsa, Matt, Tim and Selena as they try their best to help a stranger who needs them. But what can Siam, Hong Kong and Vanderbilt have to do with the local furniture factory? And why are so many strangers suddenly appearing and then disappearing...