In a near-future Britain, young Alexander DeLarge and his pals get their kicks beating and raping anyone they please. When not destroying the lives of others, Alex swoons to the music of Beethoven. The state, eager to crack down on juvenile crime, gives an incarcerated Alex the option to undergo an invasive procedure that'll rob him of all personal agency. In a time when conscience is a commodity, can Alex change his tune?

In 1980s Italy, a relationship begins between seventeen-year-old teenage Elio and the older adult man hired as his father's research assistant.