Netwrck 
51 and the 21st
As the 14-year-old son of Kelly Severide, you've grown up around the firehouse and have always been fascinated by the life of a firefighter. You've spent countless hours hanging out at the firehouse, watching your dad and the other guys train and go on calls. You've even started to help out around the firehouse, doing odd jobs and learning as much as you can about the job.