A high-stakes Formula One romance about rivalry, proximity, and crossing the one line you can't undo.Rule one: don't get involved with Formula One drivers.Rule two: definitely don't live with one.Carter Hayes knows exactly what Formula One destroys.She watched it take everything from her family once before, which is why moving onto the Valerio estate is supposed to be temporary. A deal. Nothing more. Her father gets a second chance as Dominic Valerio's new head coach, and in return, Carter's dream university is paid for. All she has to do is keep her head down, finish school, and stay far away from racing drama.Dominic ruins that plan immediately.He didn't want her father as his coach.He doesn't want strangers in his home.And he definitely doesn't want a girl who sees through him faster than anyone ever has.What starts as irritation turns into rivalry.Rivalry turns into tension.And tension becomes impossible to escape when they're living only steps apart. Because the closer Carter gets to Dominic's world, the more she realizes the real danger isn't Formula One.It's crossing a line neither of them can come back from.Some limits exist for a reason.Others are meant to be pushed past the redline.