After her sister goes missing, Sarita, a working-class girl from Guatemala City, travels to the seaside town of Puerto Barrios to infiltrate a group of young gang members. Risking her life to join the gang, Sarita becomes involved with her sister’s dangerous ex and slowly gets closer to the truth about what happened to her.

　　15岁的Juan（Brandon López 饰）、Sara（Karen Martínez 饰）和 Samuel（Carlos Chajon 饰）逃离危地马拉，试图前往美国。当他们穿越墨西哥时，他们遇到了不会说一句西班牙语的印第安偷渡土著Chauk（Rodolfo Dominguez 饰）这几位少年憧憬在墨西哥边境的那一头过上更好的生活，但很快他们就发现事实并非如此。