Dear Son, Mom is the Real Boss (Dubbed)

Nam Seo-ji is a top finance expert from a prestigious university. After her husband's death, she raises her son, Bae Seo-hyeok, alone. She devotes herself to saving the struggling Bae-Nam Corp and restores it to its former glory. But Seo-hyeok arrogantly takes credit for the company's growth and treats her like an ordinary employee. He even allows his girlfriend to humiliate Seo-ji at work. His ingratitude causes Seo-ji to leave the company and cut ties with him.