East of eden is about a businessman killing one of his workers. And later there are two sons of the dead worker who fights for revenge against the businessman. The one brother is doing revenge by working to be prosecutor to be able to jail the business, the other brother is doing revenge by being a gangster/mafia to take revenger the violent way.
It’s a great written korean drama, about love, revenge and fighting for what you believe in. East of eden is a 12 year old korean drama.