S1E1 - Episode 1
Seon Woo and Jang Il form a fast friendship, but when Seon Woo's father commits suicide, their friendship becomes marred with dark secrets.
March 21, 2012, midnight
S1E2 - Episode 2
Seon Woo tries to solve the mystery around his father's death. Jang Il's father tries to cover up his tracks.
March 22, 2012, midnight
S1E3 - Episode 3
Seon Woo and Jang Il both get closer to the truth about the death of Seon Woo's father, which drives them apart.
March 28, 2012, midnight
S1E4 - Episode 4
Seon Woo must live with a heavy conscience and fears the day Jang Il might regain consciousness.
March 29, 2012, midnight
S1E5 - Episode 5
Seon Woo struggles to function without eyesight, but he regains his memories - including those of Jang Il's betrayal.
April 4, 2012, midnight
S1E6 - Episode 6
Ji On and Seon Woo are reunited at a school for the blind and Jang Il grows increasingly frustrated.
April 5, 2012, midnight
S1E7 - Episode 7
The relationship between Ji On and Seon Woo continues to grow and Jang Il's father starts to receive blackmail letters.
April 11, 2012, midnight
S1E8 - Episode 8
Ji On's relationship with Seon Woo become complicated just as Moon Tae Ju steps into the picture to help his son.
April 12, 2012, midnight
S1E9 - Episode 9
Seon Woo must decide if he will break ties with his friends to leave with Moon Tae Ju, who claims to be his father.
April 18, 2012, midnight
S1E10 - Episode 10
After an extended stay abroad, Seon Woo is back in Korea as a new man, about to give his childhood friends a huge shock.
April 19, 2012, midnight
S1E11 - Episode 11
Jin No Sik and Jang Il both must tread carefully after learning the truth about David Kim's identity.
April 25, 2012, midnight
S1E12 - Episode 12
Seon Woo set his plan for revenge in motion and So Mi reveals to Jang Il a shocking secret that changes everything.
April 26, 2012, midnight
S1E13 - Episode 13
So Mi conspires to make Jang Il hers while Seon Woo moves forward with his plan to force Jang Il into an awkward position.
May 2, 2012, midnight
S1E14 - Episode 14
So Mi and her father are called in for questioning surrounding the investigation of Jin No Sik.
May 3, 2012, midnight
S1E15 - Episode 15
Lee Yong Bae must testify as a witness for the murder of Sun Woo's father.
May 9, 2012, midnight
S1E16 - Episode 16
Jang Il gives Sun Woo one last chance to ask for forgiveness before he launches his plan to destroy his life.
May 10, 2012, midnight
S1E17 - Episode 17
Sun Woo makes it painfully clear to all those involved in the death and cover up of his father that revenge is imminent.
May 16, 2012, midnight
S1E18 - Episode 18
Sun Woo receives the final pieces of the puzzle surrounding the identity of his biological father. Meanwhile, Jang Il's father breaks under the pressure.
May 17, 2012, midnight
S1E19 - Episode 19
Sun Woo devises a plot to oust Jin No Shik out of the company completely, while Jang Il breaks down as he sees his life falling apart.
May 23, 2012, midnight
S1E20 - Episode 20
Sun Woo's symphony of revenge reaches its final crescendo in this shocking finale filled with revelations and reconciliations.
May 24, 2012, midnight