Y/n Nash is the daughter of captain Bobby Nash at the firehouse 118 and recently just gotten out of a bad relationship with her son Christopher's father. Excepting the fact that she will now be a single mom of a child with C.P she decides it time to go home and be with her family again...the 118. She has longtime friend Evan Buckley pick her up at the airport, what she doesn't know is the 118 is throwing them a welcome back party. There she meets Eddie Diaz who immediately takes to Christopher and her, but when Christopher's dad Luke shows up a few months later she's left with no other choice but to call a certain person for help.