"See, there's nothing to be afraid of."

Sam felt his stomach burning, but he desperately held it in, afraid to vomit.

Eva hugged Sam and comforted him for several minutes. To others, it just seemed like a mother patiently soothing her child.

After about ten minutes, Eva panicked and looked for the staff.

"I've lost my son, please help me find him quickly."

Children getting lost from their parents at the amusement park happened frequently, so the staff ...