Mercedes' life turns upside down when her mom decides to remarry and she has to move in with the Leclerc's. Struggling to fit into the world of luxury and spotlight that is Formula One, Mercedes didn't know that she had to deal with her obnoxious step-brother, Charles Leclerc. He is everything she envies and the only thing she's fighting hard to stay away from. Charles Leclerc is determined to win the championship this new Formula One season, putting all his focus into the race, but all of his plans blow up in his face when his new step-sister comes into the picture. With her charm and passion for racing, Mercedes is everything he despises, but the one thing he hates most is that she is forbidden... Will they manage to stay away or will it all come crashing down into an illicit affair?