In I Definitely Don't, Shayla Caine finds herself in a whirlwind of family obligations and hidden agendas when her sister Shiloh backs out of marrying their father's business partner, Gabriel Meyer. Reluctantly, Shayla steps in to save her family's business, but she's anything but excited to be tied to a man she barely knows. However, Gabriel harbors a secret-he never intended to marry Shiloh at all. His eyes have always been on Shayla. As Shayla navigates this unexpected arrangement, she's unaware of another danger lurking closer than she thinks: Jason, her ex-boyfriend and Gabriel's former partner, who has his own selfish plans for her and her family's fortune. The result is a tense, emotionally charged journey filled with secrets, deception, and unexpected love.