Who are you?

It all started when Stella Kidd first joined firehouse 51. She got a little crush on Squad 3's lieutenant Kelly Severide. After few months of Stella working at 51 Kelly hardly spent time with his wife he didn't know why he was so in love with Stella. Kelly was so in love with Stella that he forgot all about his wife Brittany and was going to kiss Stella at work in the lockers when suddenly Brittany his wife appear behind him. What will happen with them both?