This week, we have our third out of four guest stars, Jo has shady text messages, a town is built on stilts, Alaska proves a point to science, avalanche season gets out of control, Jo has Iditarod connections, a home invader turns out to be furrier than anticipated, somebody gets her booty bit, and Alaskans are stoic as hell.
Content warnings: colonialism, tuberculosis, war, tsunamis, mountain climbing deaths, tornado-strength wind, delayed rescue, hypothermia, injury and death of dog, attack by stranger, alcoholism/drunk driving, bear attacks.