The only thing harder than faking it? Admitting it's real.

All Athalia Pressley wants is to rebuild the shattered bond with her twin brother, Henry. But after years of distance, she's starting to believe it's impossible--until a statistics class lands Athalia with an unexpected tutor: Henry's sworn enemy and campus golden boy Dylan McCarthy. Suddenly, she has her brother's undivided attention.

Dating is the last thing on Athalia's mind--especially not with the arrogant, impossibly hot McCarthy, who embodies everything Henry despises. But when she realizes her brother's sudden interest hingest on Dylan's presence, Athalia makes a reckless bargain: she and McCarthy will fake date, giving her the perfect excuse to stay in Henry's orbit.

They draft a contract. Rules are set. Boundaries drawn. Yet as tutoring sessions bleed into elaborate staged dates, Athalia's carefully crafted plan unravels. The longer they pretend, the more those butterflies in her stomach feel dangerously real.

Falling for McCarthy was "rule #7" on their "don't" list, but as the line between real and fake blurs, Athalia faces an impossible choice: the twin she’s desperate to reconnect with, or risk everything for the boy who might be worth breaking all the rules for.