Lee Yoon-Sung (Lee Min-Ho) works at the Blue House for the National Communication Network Team. He graduated from M.I.T. in the U.S. and possesses elite skills as an I.T. engineer. At the Blue House, Yoon-Sung meets Kim Na-Na (Park Min-Young), who works as a bodyguard there. The two people fall for each other even though Yoon-Sung was warned not to fall in love. An elaborate plan for revenge is his ultimate mission ….
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
Episode 12
Episode 13
Episode 14
Episode 15
Episode 16
Episode 17
Episode 18
Episode 19
Episode 20 (END)
