Cassidy Blake-Severide has busted her ass to become the firefighter she is today. She met Kelly as a teenager, and there was instantly a bond between the two. After the death of her mother, Cassidy moved in with Kelly and his best friend Matt.
Through it all she managed to graduate from college and then the fire academy before officially becoming squad certified. That's when she met her firehouse family, and the one and only, Matthew Casey.
Cassidy had always been open and honest with her big brother until she began secretly dating her Lieutenant, Matt Casey. Suddenly she's torn between her brother and the man she loves. Will their relationship be able to survive the chaos of the dangerous life of a firefighter?
Shelby found herself standing infront of Firehouse 51. She was running from her past, from her father, and from her ex. She came to Chicago to start new. To start over. But her past catches up to her. Will she be able to find new love? Find a new Family? Or will she go back home?