Lee Kyoung-mi

29 year-old Me-sook is the most unpopular teacher at school. To top it off, she is in love with another married teacher, Mr Seo, and believes that he feels the same but is just to shy to show his feelings. When she finds out that he's having an affair with an attractive Russian teacher who took her place in high school, Me-sook decides to take action. Hiding her true intentions, she forms an aliance with Mr. Seo's daughter, Jong-hee, the most unpopular student at school. (AsianMediaWiki)

After an extremely close national assembly race, Jong-chan wins the nomination of his party. He and his wife Yeon-hong are fully committed to the campaign and when their teenager daughter Min-jin goes missing, Jong-chan convinces Yeon-hong not to notify the authorities fearing negative publicity. With the election imminent, Yeon-hong decides to look for her daughter, but instead uncovers a twisted series of conspiracy, secrets, and lies surrounding Min-jin's disappearance. (CJ Entertainment)

Her daughter died from chain-smoking and she blamed herself too much that her brain coped with the tragedy by erasing her daughter's death from her memories.