After the warehouse fire, everything seems to be going well for Olivia and Kelly. They have finally stopped avoiding that they are meant for each other, the perfect time for them to make up for the lost time. But their happy ending is short-lived when Olivia's past resurfaces with the sole purpose of jeopardising her new life. The dark truth about Jerry Lou emerges and Olivia finds herself becoming the prey, a victim of a cruel hunting season that's to come. True love is ruined by death and lies. Will Kelly Severide still love her when he realises she isn't as innocent as she seems? Will he still hold her bloodstained hands? Or is there only so much someone can take? (Book 3)

Riley Pierce is the new PIC on Ambo 61 and is as fearless and flirtatious as she is skilled. When she's dared to challenge Firehouse 51's notorious playboy, sparks fly and the game begins. What starts as teasing rivalry ignites into something deeper, forcing them to choose between keeping up the game or risking it all for something real. Has Kelly Severide finally met his match? Chicago Fire x OC Updated weekly!

It's not everyday that a successful lawyer decides to become a firefighter. Driven by loss, Olivia Honour Lewis decides to break the mould. She gives up her old life and love to follow her new dream. At firehouse 51, she becomes a member of the family. But some become way more than family to her. She finds herself falling for someone she shouldn't, someone who is not good for her. Kelly Severide. Pt. 1

A week before Andy Darden's death a long time friend and sister of Matt Casey begins her job on Squad 3 working under the charming Kelly Severide. Will she fall for him or is it forbidden to love your best friend's and your brother's best friend? What will Matt say when he finds out?

Co-Writer: @BrooklynDaniels32 At 17 Sierra Rhodes ran away from home and joined the Army Rangers. By 23 she was on her 5th tour in Afghanistan and her last after ending up captured and tortured by the enemy. Luckily she was rescued, brought home and medically discharged from the Rangers with multiple injuries that took almost a year to completely heal. Sierra decides to apply for the FBI academy after taking a year to heal, recover, and try her best to live a normal life after being in war zones for half a decade. She couldn't picture doing anything other than chasing the bad guys. It gave her purpose. With only 6 months on the job with the Hostage Rescue Unit Sierra ends up transferring to the most elite unit in the FBI... The BAU... What happens when the unit catches a case in none other than her home town Chicago? What happens when she runs into the last person she expected to see? Content Warning This Book Contains: -Torture -Murder -Swearing -Toxic Family -Alcohol Use -PTSD - Sex Scenes and more....

Y/n Casey is Matt Casey's little sister. She gets into some trouble after their mom goes into prison. She lives with her aunt in Missouri. One day she decides that she wants to go and live with her brother in Chicago. That wasn't the actual reason she went to Chicago , but you will find out a little bit more about that further on in the story. I also thought that I should mention that Y/n also struggles with some anger. Hope you enjoy it :)

Elaine Halstead, Will and Jay Halstead's youngest sister, who was a firefighter at Station 19 in Seattle, Washington. After a fire killed her bestfriend and partner, Amalia, Elaine moves from Seattle back to Chicago and beings to work at Firehose 51, where she meets Lieutenant Severide and Captain Casey. During her first shift, her brother and his best friend come to interrogate her on the fire but the information they disclose changes Elaine's life with just a couple of words. matt casey x oc

Vanessa Casey is Matthew Casey's little sister after Vanessa graduated high-school she moved To Texas to peruse her degree to become a paramedic And got a job at firehouse 91 in Texas Now 5 years later she moved back to Chicago to work at firehouse 51 with her brother and his friends Will Vanessa find the love her life or will she go down a few ruff patches read to find out

Nicole Severide grew up with her older brother Kelly as one of the only people she could trust. Then she started work as a paramedic on Ambulance 61. She rose through the ranks to Paramedic-in-Charge and started dating Lieutenant Matthew Casey of Truck 81. (Seasons 1-7) SeverideXOC!sister CaseyXOC Paramedic!OC Part 2- Family Fire