公營醫療系統爆煲,整個墨西哥城九百萬人口,政府只得四十多部救護車,入夜後尤其不敷應用。私營救護車應運而生,奧曹亞父子擔起救急扶危重任,接載傷者到醫院求診。別以為是「任何仁」業餘上陣,有專業設備亦有敬業精神,不會收了錢才救人,卻因此常做蝕本生意,捱更抵夜反而陷財困。盧卡羅連遜貼身紀錄奧曹亞一家的救傷工作,父親不但帶着幼子午夜出車,跟同行鬥快搶生意分秒必爭,更面對黑警從中作梗,要分一杯羹。In Mexico City's wealthiest neighborhoods, the Ochoa family runs a for-profit ambulance, competing with other unlicensed EMTs for patients in need of urgent care. In this cutthroat industry, they struggle to keep their financial needs from compromising the people in their care.