extreme measures to remove the mouse, including buying a monstrous Maine Coon cat named "Catzilla" and hiring an eccentric exterminator named Caesar; the mouse drops Catzilla to his death in a dumbwaiter, and traumatizes Caesar by dragging him through the mansion using his truck's winch line. Ernie had borrowed against the mansion's mortgage to pay for an unnecessary addition as part of the renovation. As the bank informs them that they will be evicted in two days unless they pay, they know that with their limited funds, the brothers cannot pay their workers, causing them to go on strike. Ernie finds Zeppco's business card and arranges a meeting to secretly accept their buyout offer. After Lars accidentally loses his clothes to several machines while trying to run the factory alone, he is met by April, who has learned of the mansion's value and takes Lars back, giving him the funds they need. Ernie then misses his meeting with Zeppco's representatives when he attempts to impress some women and is hit by a bus. The brothers return to the mansion only to witness a now-insane Caesar being taken away by paramedics. Realizing the mouse's intelligence, the brothers become more desperate to kill him. Ernie chases the mouse with a shotgun and accidentally shoots a bug bomb Caesar had dropped, blowing a massive hole in the floor and sending him and Lars tumbling. As the brothers recover from the blast, Zeppco calls and leaves a message, saying they have taken back their proposal since Lars declined their offer and Ernie never showed up for the meeting. Angry at each other for the deceptions, the brothers get into a heated argument. Lars throws an orange at Ernie, which misses Ernie but hits the mouse, who is stunned but still alive. The brothers cannot bring themselves to kill the mouse and mail him in a box addressed to Fidel Castro. The brothers reconcile and finish their renovations. The night of the auction, Lars discovers the postal box returned due to insufficient postage and a hole chewed in it, while Ernie sees the mouse on his podium as he gives a speech. As the auction begins, the brothers attempt to flush the mouse out with a garden hose, filling an inner wall of the mansion with water until it bursts, washing the bidders out and causing the estate to collapse. As April leaves with a