Isabella Williams never imagined that one decision would change her life forever.At twenty-two, she is struggling to keep her world from falling apart when Alexander Blackwood, a powerful, wealthy, and dangerously handsome billionaire, makes her an offer she cannot easily refuse: marry him under a contract, and he will solve her biggest problems.Alexander is cold, arrogant, and accustomed to getting whatever he wants. Love is the last thing on his mind. He needs a wife for reasons he refuses to reveal, and Isabella seems like the perfect choice.Their agreement has only three rules: no falling in love, no interfering in each other's private lives, and no breaking the contract.Simple, right?Wrong.Living under the same roof brings unexpected arguments, undeniable chemistry, jealousy, and secrets neither of them is prepared to face. Behind Alexander's icy personality lies a past he desperately wants to hide, while Isabella soon discovers that the man she promised never to love might be the one person capable of breaking her heart.As their pretend marriage begins to feel real, one question threatens to destroy everything:What happens when the billionaire who swore never to love his bride becomes the man who cannot bear to lose her?Their marriage began with a contract. But will it end with heartbreak—or a love neither of them can escape?