Craig was a security guard at the local aquarium- of course, he guarded and checked around the facility at night, from 10pm to 6:30am. Yet, he was never allowed to enter the private area at the back.

That's where one of the aquariums creatures stayed at night. A "merman", who the workers named Tweek. They tested on Tweek every now and then.

Over time, Craig grew curious. At the moment, he stood in front of the "Warning! Keep Out!" Door at the back of the facility, flashlight in hand.