Kids are having their normal class period at the school of Mesa Verde, only 3:00 and twenty minutes until school is out.
The lights have gone out and now the teacher goes missing without a trace.
Now the kids are beginning to panic. All of a sudden the phone rings. Zack goes over to to pick it up. Now a gas comes through the vents and the find out it is fear gas and the kids quickly get the affects.
When Zack picks up the phone, a voice says, "give up one boy from each and every classroom ". Now the choice comes down to Zack to make the decision.
"Give up one boy from each and every classroom''.
The kids have escaped from the fear gas but in order to do so they had to sacrifice one of the kids. The real mystery was why they went through this so they start with the office to figure everything out.
The kids go to the office and when they got there they found the teachers an kids that went missing and were sacrificed but unharmed and found out it was all an April Fools's Day prank.