故事发生在中国一户古宅大院的门口。门口送来一个新的快递，石狮子兄 弟把它错认为是入侵主人宅子的“怪物”，他们克服恐惧与“怪物”抗争。最 终，主人出现，打开了盒子，原来盒子里装着一只小奶狗，解开了盒子里到底 是什么的秘密。

The story takes place at the door of an ancient Chinese courtyard. A new courier was sent at the door, and the stone lion brother mistakenly thought it was a "monster" that invaded the master's house. They overcome fear and fight against "monsters." Eventually, the master appeared and opened the box. The original box contained a small milk dog, which unlocked the secret of what was in the box.