Stiles gets kidnapped by crazy hunters. It's super.

“Well,” Stiles says, “if they’re going to hunt werewolves, I’m going to hunt them.” It’s a ridiculous statement from a ten-year-old, but he’s obviously one hundred percent sincere. For the first time since the fire, Peter feels life stir inside him, feels purpose. It’s kismet, clearly. He’ll never meet the child he would have had with Olivia. Instead he’s met this boy, this brilliant, determined, cynical child with a world of potential. Peter kneels down in front of him so they’re at eye level. “How do you feel about doing that together?”