In Brazil, Akemi finds out that she's the heiress to the Yakuza empire. Just after that, her destiny enters a spiral of violence and mystery, where a gaijin (foreigner) who’s been protecting her all this time, Shiro, may have been actually sent to kill her.

To provide a better life for his family in the country, 18-year-old Mateus accepts a job in a junkyard in São Paulo for his new boss Luca. But when he and a few other boys become trapped in the dangerous world of contemporary slavery, Mateus will be forced to decide between working for the very man who enslaved him or risk his and his family’s future.