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 the hiring directors a piece of her mind during a job interview at DN Group , she is surprised to find herself hired by Mu-won ( who was captivated by her interview ) to be the 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 other 's 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 does n't want to get mixed up with either of them ... or does she ? 2011 SBS Drama Awards In 2012 , the TV channel " Ukraine " filmed jointly Russian-Ukrainian license remake with the same name but adapted , with the same soundtrack . The quality rating of Kinopoisk is 7,742 of 10 . Popularity Rating is 6,847 % with the original rating 7,731 of 10
2011 SBS Drama Awards
2011 SBS Drama Awards
Protect the Boss