In the quaint town of Burrowville, a sudden cave-in threatens the peaceful lives of its subterranean residents. When disaster strikes, it's up to Martin Mole, the diligent mining chief, to lead a courageous rescue mission deep beneath the earth.

Calling on his friends—charismatic James D Cat, brave Lola Lagomorph, wise Moses Mouse, grumpy yet loyal Grumpy Gus, optimistic Sunny Squirrel, and strong-hearted Bobby Badger—Martin forms a fearless alliance to dig through the rubble and save their trapped friends.

Will their teamwork and unwavering spirit be enough to overcome the darkness? Join them in a heartwarming adventure filled with courage, resilience, and the true meaning of friendship as they uncover the depths of bravery beneath the surface.