Three best friends since they were kids, Manolo (Diego Luna), Joaquin (Channing Tatum), and Maria (Zoe Saldana) promise to keep their hometown in Mexico. The funny is the triangle love appearing among them. Either Manolo or Joaquin fall in love to Maria. One day, they play in their hometown and Maria finds a cute piggy in a cage at farm. It is so pity for her then Maria tries to let the piggy go. Instead of free, all pigs and buffaloes run away from the farm to the main road.
It makes the circumstance getting messy because the livestock get scattered. The result, Maria who is the daughter of a general Posada (Carlos Alazraqui), is punished by her father. She is sent to Spain in order to go to school on there until she grows up. Knowing that, Manolo and Joaquin feel so sad leaved by Maria. But Maria promises that she will come back to them.