Lost meets Stranger Things in this eerie, immersive YA thriller, thrusting seventeen-year-old Sia into a reality where the waters in front of her and the jungle behind her are as dangerous as the survivors alongside her. 

Sia practically grew up in the water scuba diving, and wreck dives are run of the mill. Take the tourists out. Explore the reef. Uncover the secrets locked in the sunken craft. But this time … the dive goes terribly wrong.