In the dead of the night, two security guards at the Portland harbor stumble upon a gruesome scene inside a shipping container; it appears that two stowaways have been ripped to shreds, their mangled body parts scattered in pools of blood. Before they have time to consider what monster could have caused this mess, an attack from above from a saber-toothed tiger-like creature leaves them to the same fate. This isn't your average Wesen; this is something much, much more troublesome.