In the lush, tropical paradise of Hawaii, a detective is locked in a deadly game of cat and mouse with a serial killer who strikes only once a year. Each murder is meticulously planned, leaving behind cryptic clues and no witnesses. As the detective delves deeper into the case, he uncovers a web of secrets that ties the killer to the islands' dark underbelly. With the next annual murder looming, he must confront his own demons and unravel the killer's twisted motives before time runs out. A gripping blend of crime thriller and psychological drama, this novel will keep readers on the edge of their seats until the final, shocking revelation.