Cassidy Hudspeth’s novel “Red Summer” is a modern romance. The narrative centers on Ophelia Clark, a character who is about to give up on men until she runs into a sultry bartender with tattoos. She finds herself pulled to him even though she is just going to be home for the summer before heading back across the nation for college. They explore the nuances of a friends-with-benefits scenario before deciding on a “no strings attached” arrangement.