American Gangster – Nate and switch

"RISE AND FALL OF A DRUG LORD WHO STUNNED THE NATION IN 1970S Lee Doo-sam (SONG Kang-ho) is a small time smuggler in Busan, Korea. One day, he helps the mob smuggle meth by chance and finds himself falling into the dark crime world. Being quick-witted and full of ambition, he eventually overtakes the underworld and starts to lead a double life: a good community leader during day but during the night, an infamous drug lord who rules an empire."

"A look at the early days of the crack cocaine epidemic in Los Angeles during the beginning of the 1980s."