Imagine being stalked by killers with no place to hide. This is the reality for Olga, a genetically modified "shepherd" who spends her days herding tuna in the vast Pacific Ocean. With only her two shipmates and a submersible raft as her home, Olga thought she was prepared for any danger that may come her way. But when she comes across Toivo, a fisherman struggling to survive with the help of two dolphins, their paths converge in ways they never could have imagined. Together, they must outwit ruthless drug smugglers who are targeting shepherds like Olga. As they fight to stay alive, their bond grows stronger and they must rely on each other to survive. This heart-pounding thriller will keep you on the edge of your seat until the very end.