In 1930s’ Manchuria, an encounter on a train triggers an epic crusade for a treasure map, prompting a marathon chase in hot pursuit of the loot. Do-won, `the good’, is a bounty hunter, out to track down Chang-yee, `the bad’, a charismatic hitman attempting to pinch the map from a military official. However, the ruthless Tae-goo puts a hitch in both their plans when he snaffles the map for himself.