Dead of summer a novel

"Orla O'Connor hasn't been to Hadley Island since she graduated from high school. As a teenager, her best friend Alice disappeared from is shores without a trace. Now, Orla returns to her family's beachfront house to clean it out before her parents sell it. David, Orla's childhood crush, is back for the summer with his girlfriend, Faith, who had anticipated a summer of fun and romance. But David is never around, lured into business conversations...