Cassidy Collins and Duke Orsino have been breaking up and getting back together for as long as anyone at Illyria Prep can remember. It's messy, complicated, and completely predictable. So when Duke starts chasing Olivia, Cass decides she's done playing the game. But between soccer practices, old habits that refuse to die, and a certain "Sebastian" who seems to know Duke better than anyone else, their story might not be over after all. Because some people aren't meant to be forgotten-even if they keep walking away.

Season 4 Rafe, He's softened up a bit for her, Freya just wants some normality in her life. Something that might actually make her happy and Rafe just happens to be that for her and maybe she is for him as well.

Ava Halstead just came back from 2 years as a Marine and is going to firehouse 51 on squad 3 but isn't on the best terms with her brothers because of them not wanting her to be a Marine but she didn't care, she's a lot more like her twin brother Jay then Will What happens when she meets the new candidate on 81, Blake Gallo

Leah Jones has been Conrad fishers girlfriend for 11 months, he invited her to cousins but she can't go well that's what she told him, little did he know his girlfriend was going to surprise him but a certain girl isn't happy about it.