Watch 7 Prisoners (2021) HD Full Movie Free on SolarMovie. Watch 7 Prisoners (2021) online free. To provide a better life for his family in the country, 18-year-old Mateus accepts a job in a junkya...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 becomes trapped in the dangerous world of human trafficking.