Following a series of fatal shootings, the BAU team travels to Des Plaines, Ill. to investigate what appears to be a copycat serial killer. Their efforts are thrown off track when members of the BAU are targeted.
Ubbe and Torvi meet a mysterious wanderer in Iceland. Bjorn is forced to reconsider who his enemies are when Erik returns from a scouting mission with some worrying information. Ivar is reunited with someone close to him.