In the two-dimensional world, Deer and Rabbit are inseparable, eating together, studying, and playing around, until a conflict causes Deer to cross over into a three-dimensional world. How will the two-dimensional Rabbit and the three-dimensional Deer get along? Through patience and love, Rabbit and Deer eventually restore their harmonious relationship. In the end, Deer cannot return to the two-dimensional world, nor can Rabbit fully enter the three-dimensional world, but because of their mutual understanding and love, they still manage to live together happily and joyfully.