Billy, the boy in the house, helps the rats. Then they set up trap for the humans.

Markiplier is one of the workers. The Smith's call him to exterminate the rats. 🆑🅾️🅱️ prepares all the rats for battle.

In the end, the humans got annoyed, and stopped killing the rats.

Biggie cheese finds out that the exterminator company, RiceGum, is going to kill the rats, and he tells the other rats.

The Smith's home, with a mom, dad, and a boy named Billy.