The Remains in the Pond - Ann Swann

Senior prom is the happiest night of Gabi’s life. Her crush has just revealed that he is every bit as infatuated with her as she is with him. When he has a car wreck and is transported to the hospital in a coma, Gabi feels as if she’s taken a knife to the heart. But his jealous cousin, Rose, sees her chance to give the knife an even harder twist. She convinces Gabi to meet her at a local parking spot outside town. It's a night that will change several lives forever. One of the girls will return, and one will become known as the remains in the pond.