Shin Tae-hwan is main villain of East of Eden is ruthless bussisman who managing director of a coal mine in
Shin Tae-hwan
Taebaek which kill Lee Dong-chul's father and forced abotion of Rebecca's child caused swicted his son and Myung-hoon for revenge. in the end he was killed by Rebbecca by jumping on the lake after he reaziled his wrongdoings and his son Dong-wook blamed