Lacey grew up in Hampton, Nebraska, where she met her husband, Tim. Tim was a farmer and after a terrible accident left Lacey a pregnant widow, she decides to move to Chicago to be what she's always wanted to be, a paramedic. Unwanted circumstances lead her to fire house 51 where she meets her new family. They also lead her to Lt. Kelly Severide. Although her past haunts her, Lacey hopes that's this fresh start is what she needs and what will make her feel whole again.

Taylor's husband had died in a car accident. His grave lay next to one that belonged to a Lealie Elizabeth Shay. Taylor had never seen anyone visit her grave but she always cleaned it off. She felt drawn to it. Then one day someone does show up. A gentleman named Kelly Severide

"Happiness can be found in the darkest of times if one only remembers to turn on the light." Chicago was supposed to be a fresh start for her, but when her abusive ex catches up with her she finds her fresh start and her new relationship are in jeopardy, along with her life. She's drowning, and just maybe he'll be the one to rescue her. (Severide X OC)

Abigail Smith, also known as Abi, is a sweet girl who is alone. Has always been alone and will probably always be alone. She meets Jay Halstead and the team, who find the girl at the worst possible time. Could they possibly be the one to save her. But what if all of it could change? Will she go for it or will she stay? *All OC Characters belong to Dick Wolf and Wolf Entertainment*

Lily Jacobs is the new paramedic on ambulance 61 with Leslie Shay. On Jacobs first day she catches the eye of the lieutenant Kelly Severide. The only problem is she has a boyfriend. But something about the lieutenant kept drawing her in. Once she finally left her boyfriend and showed up at Shay's and Kelly's, bags in hand, they immediately took her in. The three of them had become close friends. But Lily was carrying around a secret. Something that know would change how her firehouse family would treat her. What happens when the secret gets exposed? Will Kelly walk away from the women he couldn't take his eyes off since she arrived? Will Lily stay in Chicago? *** "Yeah Severide. You can barely entertain one girl let alone two at one time." Shay and Jacob's both laughed.