4.5+ stars 
 Clash re-introduces readers to Macy and Cal. Macy and Cal are not friendly. In fact, they hurl insults and fight at every chance they get. 
 Each views the other with contempt. Macy calls Cal "Saint Cal" for the tone he often takes when interacting with her. He, in turn, sees her as a spoiled, entitled rich girl who has never had to work for anything. 
 But simmering below the animosity is an attraction that finally bursts to the surface. I figured Macy would be up for anything once, as she is the friend who introduced Mac to One Night Only in the first place. As a regular user of the anonymous service, Macy loves sex, but doesn't do repeats. Until something about Cal brings her back for more. 
 But beyond sex, Macy is as different from Cal's initial impressions as she can get. Yes, she doesn't work and lives off a trust fund, but she does so while volunteering nearly full time at a center that helps those who need a hand getting back on their feet. She donates her money as well as her time, but would really rather not be recognized for her contributions. 
 While Macy surprised Cal, he surprised me. For as reserved as he seemed to be as Mac's friend and Matt's former best friend, he was up for anything and has an adventurous streak in bed. And though he played a part in the destruction of Matt's first marriage, he is beginning to look at the institution as something he wants. Though he's not sure he wants forever with Camille, his last girlfriend who coincidentally is back in town and wants to reconnect. 
 I loved getting inside Cal's head and watching as he maneuvers Macy's requests, his own notions about her, and the bits and pieces he begins to learn about her. Though this was a short read, it was full of little bits and pieces about the characters that will trip them up, help them out, and make for a great read. 
 This was a quick, hot read. As an introduction to the characters, it was fun, feisty, and as soon as I hit the end I was switching over to continue their story with Grind. Once I was in their world, I didn't want to leave. 
 I was gifted a copy in exchange for an honest review.