Snowflake is special, he's the only white gorilla in the world. He is the zoo's main attraction, children love him, but the other gorillas don't see what's so charming about this weirdo being the center of attention. With the help of Ailur, a Buddhist black panther reincarnated into the body of a red panda, and Paula, a smart little girl, Snowflake plans a sneak visit to the witch at the circus. She can help him be a normal gorilla. But outside the safety of the zoo's walls, the three friends are in danger. Thomas, a total jinx, is convinced that the white gorilla is the amulet he needs to counter his bad luck. This cruel and superstitious man is prepared to do whatever it takes to capture Snowflake.

与2006年的前作《金钻鼠王》一样，这部阿根廷儿童电影将栩栩如生的电脑制图人物与真实演员呈现于同一银幕。这部电影继续讲述心地善良的Perez的故事。一个在夜间活动的老鼠，晚上偷偷溜进孩子们的卧室，收集孩子们枕头底下的乳牙，并留下硬币作为回报。但这只是它生活的一个方面。在白天，他便在一个珍珠船上打打杂，而这种双面的生活，让这只老鼠疲惫不堪。有一天，Perez再次冒着被抓住的风险流进了Lucas的卧室，发现Lucas还没睡，正等着这只老鼠呢。无奈之下，Perez只能等着Lucas睡着后在行动，但Perez自己却打起了瞌睡。这时，另一只住在Lucas家里的长相迷人的老鼠 Lola发现了Perez。于是它们一起离开了卧室，并且两人关系进展迅速。Lucas教Perez跳萨尔萨舞和贝克塔舞。就在这时，一个叫Gil Penkoff的表演商想出了个阴谋，他偷偷瞄上了Perez，试图通过Perez的舞蹈赚上一笔。为了达到这个目的，Penkoff和很想见见 Perez样子的Lucas建立同盟，他们打算在Lucas下次掉牙时，将魔爪伸向Perez........