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Protect the Boss (Hangul: 보스를 지켜라; RR: Boseureul Jikyeora) is a 2011 South Korean workplace romantic comedy television series starring Choi Kang-hee, Ji Sung, Kim Jaejoong of JYJ/DBSK, Wang Ji-hye, and Park Yeong-gyu. It was first broadcast in South Korea from August 3 to September 29, 2011 on Seoul Broadcasting System (SBS) on Wednesdays and Thursdays at 21:55.Among its early working titles were The Boss Has Changed (Hangul: 보스가 달라졌어요) and The Last Secretary (Hangul: 마지막 여비서).


Cha Ji-heon (Ji Sung) is an incredibly immature young man who is useless at his job as a director at DN Group, where the chairman is his father (Park Yeong-gyu). Ji-heon has a longstanding rivalry in work and love with cousin Cha Mu-won (Kim Jaejoong), as Mu-won is a mature, hardworking, and seemingly perfect executive, and the two both have a romantic history with Seo Na-yoon (Wang Ji-hye). Spunky and tough Noh Eun-seol (Choi Kang-hee) is struggling to find full-time work because of her juvenile delinquent record and poor academic background. After giving Mu-won a piece of her mind during a job interview at DN Group, she is surprised to find herself hired as a secretary to Ji-heon. Determined not to be fired from her first professional job, Eun-seol works diligently at putting up with Ji-heon’s childishness and keeping him in check. As their working relationship progresses, they earn each others’ trust and friendship, and Eun-seol helps Ji-heon deal with his phobias and prove himself capable of becoming DN Group’s successor. Things get more complicated when Ji-heon and Mu-won both fall for Eun-seol, who doesn’t want to get mixed up with either of them… or does she?


  • Choi Kang-hee as Noh Eun-seol
  • Ji Sung as Cha Ji-heon
  • Kim Jaejoong as Cha Mu-won
  • Wang Ji-hye as Seo Na-yoon
  • Park Yeong-gyu as Chairman Cha, Ji-heon’s father
  • Cha Hwa-yeon as Shin Sook-hee, Mu-won’s mother
  • Kim Young-ok as Mrs. Song, Ji-heon and Mu-won’s grandmother
  • Ha Jae-sook as Lee Myung-ran, Eun-seol’s best friend
  • Jung Kyu-soo as Noh Bong-man, Eun-seol’s father
  • Kim Hyung-bum as Secretary Kim
  • Kim Ha-kyoon as Secretary Jang
  • Kim Chung as Hwang Kwan-jang
  • Kim Seung-wook as Park Sang-mu
  • Lee Hee-Jin as Yang Ha-young
  • Ahn Nae-sang (cameo)
  • Oh Hyun-kyung (cameo)
  • Yoon Gi-won (cameo)