"Filthy Rich Fae" follows Cate Holloway, a nurse in New Orleans, who gets entangled with the powerful Gage crime family, who are secretly fae royalty. When her brother gets into trouble with them, Cate bargains with Lachlan Gage, the fae prince, to save him. This bargain binds her to Lachlan, forcing her to spend nights in the fae realm, where she discovers a world of court politics, dangerous magic, and hidden agendas. Cate must navigate this treacherous world while trying to break the curse that binds her and resist the growing attraction to the enigmatic Lachlan.