When four backpackers go missing near Dunk Island in North Queensland, Detective Bec Whitfield is thrust into a chilling search mission. The natural beauty masks a dark reality, and as the days pass, one body is discovered, but the others remain missing, and suspicions of foul play rise. As Bec digs deeper, she uncovers a disturbing connection—each of the missing women has a connection to a well-known resident of the small town. With the community in turmoil, the man becomes the target of relentless social media persecution. In Shadows on the Shore, a seemingly peaceful paradise becomes the setting for a deadly game of secrets, vengeance, and the fragile line between truth and rumour. Will Bec uncover the real killer before the community’s relentless pursuit of justice leads to more bloodshed?