200
A very poor woman gives birth to twins and dies immediately after. The sons get separated at birth. While one son finds himself adopted into a wealthy factory owner's house, the other is a street child who turns into a petty thief. The film story traces their journey through life. At a crucial moment, the son who is a petty thief corners the other son in a dark alley and mugs him.
Both sons, born of the same mother and identical to look at, are yet so much different in their motives, lifestyles and characters. Thus this literary device is used to draw a distinction between the two.
What is juxtaposition / contrast