In an intense episode, we were left until the end to find out who was in the hospital. What happened in the housefire in Chicago Fire season 13, episode 18?

Caution: This post contains Spoilers for Chicago Fire season 13, episode 18.

We knew if Boden returned to look into the events of a fire, it was going to be a big and deadly one. Sure enough, Boden was there on orders by the Commissioner, and he needed to figure out the mistake that Firehouse 51 made that put one of their own in the hospital.

Pascal, Herrmann, Severide, and Kidd all gave their reports, running through the events of the entire night. At first, they had to do their individual reports, and as they pretty much matched up, Boden had to figure out what happened. How did Herrmann get his math wrong? Was there more time to deal with the fire? Well, Boden managed to work it out.