Seattle software engineer Wes is carried by a boar into a primitive world of rabbit, cat, and wolf girls — with no fire, medicine, or steady food, and the Long Freeze forty-seven days away. Juno, the rabbit hunting captain, saves him, and they hunt the fierce beast Redback together. Armed with a system encyclopedia and danger-sensing, Wes teaches fire-starting, water treatment, medicine, and better spears. After Redback falls, he becomes the tribe's first Firekeeper, then pushes livestock, traps, bows, pottery, carts, and ironworking, and cures cat girl Hazel's fever. Wolf leader Sable, who once feuded with the Pawprint tribe over fire, is healed by Wes, and the tribes start cooperating, moving to Lakehaven and merging into Moonhollow. But traitor Thorne kills the old Firekeeper, seizes power in Ashborn, and vows to kill Wes — and a new war looms over the newborn tribe.…