Grueling

"Freedom" is a sidequest of Episode 2: HOODwinked. You can access the area to start this sidequest only after having talked with Matt in the Computer lab.

How to start the sidequest
Talk with May O'Brian in the Cafeteria to start the quest. 

Walkthrough
"Ever since the start of the school year there have been whispers and rumors circulating around campus about the food in the cafeteria being used for sinister purposes. May O'Brien, Shadow Valley High's top investigative reporter, has asked you for help in breaking this story wide open."

Objective: Find the Janitor.
You can find Stanley the janitor in the bathroom in the southernmost part of the North Wing. To reach the North Wing from the Cafeteria exit from the door on the right of May O'Brien, then go past the next area (the East Wing). 

Objective: Enter the lunch lady dungeon.
Go back to the Cafeteria and you'll find the door to the Lunch Lady Dungeon behind the counter where May O'Brien was. You can easily reach the Cafeteria by exiting the bathroom and going south back to the Main Hall, then going all the way to the right. 

Objective: Choose to study or destroy the gruel.
Once you're in the Lunch Lady Dungeon you can choose to side with May O'Brien (obtain samples of the gruel for study) or Stanley (destroy the gruel). 

Walkthrough if you chose to side with May O'Brien
"You have decided to help May O'Brien investigate the gruel in the lunch lady dungeon. Get samples of each type of gruel for May so she can study its properties." 

Objective: Return to May O'Brien.
Go back to the entrance of the dungeon and talk with May O'Brien. She will promise you a reward in the future (you can't get anything for now until new episodes are out). Completing the sidequest will reward you with 100 XP. 

Walkthrough if you chose to side with Stanley
"Stanley has asked you to completely destroy the barrels of gruel in the lunch lady dungeon. What started as a simple investigative news story has now blossomed into full vengeance sabotage!" 

Objective: Return to Stanley.
Go back to the entrance of the dungeon and talk with Stanley. Completing the sidequest will reward you with 300 XP and you'll get an huge discount in the main hall vending machine.