Corin Evans was firefighter at 51 along side her best friend, Kelly Severide. After she sees something graphic on the job, she heads into a downwards smile. Just when she starts to pick herself up, she realizes her past actions have consequences. Her life is flipped upside down in an instant. Will Kelly be able to help his best friend in her time of need? Or will he let her push him further and further away?

Detective Logan Rayner, a 24 year old woman from Chicago, Illinois has been in the Special Crimes Unit at the 31st district for a year and a half with her partner, Mark Fuller. One day when she gets called on a case that has to do with a truck filled with dead foreigners she gets reunited with her childhood friend, Lieutenant Kelly Severide from Firehouse 51. From that meet on, Kelly tries to figure out why she stopped talking to him for a year. kelly severide x oc

Meet Harper Bailey, A new paramedic on ambulance 61. After being unable to save her best friend seeks a new life in Chicago. Harper then gets placed at multiple firehouses until she lands a permanent position in firehouse 51 after the recent passing of paramedic Leslie Shay. Will Harper and Dawson become friends or will they but heads along the way? Keep reading to find out!