The Worst Best Man by Mia Sosa is a saucy enemies to lovers book. The book switches between the perspectives of Carolina Santos and Max Hartley. Carolina, or Lina, was supposed to get married, but Max, the best man, convinced her fiance to not go through with it. Lina is a wedding planner and gets offered a spot that would help her financially. But to get it she has to compete with someone else. To make matters worse she has to team up with Max. What follows is a steamy romance and the difficulties of pursuing what you love.