A global warming state of emergency is declared in South Park. The world’s largest beaver dam breaks and floods the adjacent town of Beaverton. As the victims wait for help to arrive, everyone in South Park tackles priority number one: who is to blame? Only Stan and Cartman know who’s really at fault.

Mrs. Garrison realizes he still has feelings for Mr. Slave. But, Mr. Slave has moved on. He plans to marry his new love as soon as the Governor signs the same-sex marriage bill. Mrs. Garrison leads the charge against gay marriage.

Eric Cartman is hiding something in his bedroom that could change the entire outcome of the Presidential election.