Cat Wilcox has left chilly Boston for sunny Mexico and a summer of girl bonding with her best friend, Sabrina. But Sabrina has a surprise. She is accompanied by her boyfriend a boyfriend Cat didn t even know existed. So rather than Sabrina and Cat spending their study-abroad semester working together at the orphan school building site, Cat expects she ll be hammering nails all by her lonesome. Then she meets Aidan. He s cute, he s smart, and he s paying her a lot of attention. Cat can t tell if he s flirting or friendly, but she s not sure it matters. Isn t it easier to be just friends? But...