Mouse Hunt (1997)

When their eccentric father Rudolf Smuntz passes away, estranged brothers Ernie (Nathan Lane) and Lars (Lee Evans) inherit a crumbling old mansion and a failing string factory. Hoping to strike it rich by restoring the historic home—once designed by a legendary architect—they quickly discover they're not alone. A clever and relentless mouse turns their renovation dream into an escalating war of wits, forcing the duo into a chaotic battle they never saw coming.