Continuing Rob's storyline, Meriem is failing to cope with the stressful pain of Bruce's death. She irrationally continues to lash out at the animals of her prehistoric world and has decided to go on another hunt. This time she's chosen to face off against one the mightiest animals to ever swim the ancient oceans of early Earth, the Great Megalodon Shark! It's an aquatic battle royal as Meriem hits the water to kill or be killed.