Part 5/9:
As Maddie frantically searches for her lost employees, she and her friends soon connect the horrifying dots. An expert named Mr. Goodman, knowledgeable about the piranha species, suggests that underground passages might link the park's drains back to Lake Victoria, helping the piranhas infiltrate the water park's plumbing. With mounting dread, Maddie senses the urgency to act before the park opens its doors to the public.