Tae Mi-ra, portrayed by Lee Hui-hyang in the K-drama “Stairway to Heaven,” is a complex and antagonistic character. She is an actress who marries Han Jung-suh’s father, bringing her own children, Han Yoo-ri and Han Tae-hwa, into the household. Tae Mi-ra is driven by jealousy and ambition, often mistreating Jung-suh and plotting to advance her own daughter, Yoo-ri, at Jung-suh’s expense. Her manipulative and ruthless nature makes her a central figure in the drama’s conflicts and emotional turmoil.