Thomas Plateau is a school bus driver in a rural town in Mexico. On his way home from work, Plateau helps Satake Hirofumi, an injured Asian on the street. Thanks to Plateau's care, Satake escaped death. Interaction with local children heals Satake both physically and emotionally. But one day, Plateau's school bus gets hijacked by a group of mafia who plans to traffick children.
They're the cancer 
that plagues this country.
إنّهم السّرطان الّذي يُفسد هذا البلد
Sie ist das Krebsgeschwür,
das dieses Land plagt.
Son el cáncer de este país.
Son el cáncer de este país.
C’est le mal qui ronge ce pays.
Sono un cancro che flagella questo Paese.
Eles são a praga deste país.
Это рак, поразивший страну.