E1 - Episode 1

Aired: March 21, 2012

Seon Woo and Jang Il form a fast friendship, but when Seon Woo's father commits suicide, their friendship becomes marred with dark secrets.

E2 - Episode 2

Aired: March 22, 2012

Seon Woo tries to solve the mystery around his father's death. Jang Il's father tries to cover up his tracks.

E3 - Episode 3

Aired: March 28, 2012

Seon Woo and Jang Il both get closer to the truth about the death of Seon Woo's father, which drives them apart.

E4 - Episode 4

Aired: March 29, 2012

Seon Woo must live with a heavy conscience and fears the day Jang Il might regain consciousness.

E5 - Episode 5

Aired: April 04, 2012

Seon Woo struggles to function without eyesight, but he regains his memories - including those of Jang Il's betrayal.

E6 - Episode 6

Aired: April 05, 2012

Ji On and Seon Woo are reunited at a school for the blind and Jang Il grows increasingly frustrated.

E7 - Episode 7

Aired: April 11, 2012

The relationship between Ji On and Seon Woo continues to grow and Jang Il's father starts to receive blackmail letters.

E8 - Episode 8

Aired: April 12, 2012

Ji On's relationship with Seon Woo become complicated just as Moon Tae Ju steps into the picture to help his son.

E9 - Episode 9

Aired: April 18, 2012

Seon Woo must decide if he will break ties with his friends to leave with Moon Tae Ju, who claims to be his father.

E10 - Episode 10

Aired: April 19, 2012

After an extended stay abroad, Seon Woo is back in Korea as a new man, about to give his childhood friends a huge shock.

E11 - Episode 11

Aired: April 25, 2012

Jin No Sik and Jang Il both must tread carefully after learning the truth about David Kim's identity.

E12 - Episode 12

Aired: April 26, 2012

Seon Woo set his plan for revenge in motion and So Mi reveals to Jang Il a shocking secret that changes everything.

E13 - Episode 13

Aired: May 02, 2012

So Mi conspires to make Jang Il hers while Seon Woo moves forward with his plan to force Jang Il into an awkward position.

E14 - Episode 14

Aired: May 03, 2012

So Mi and her father are called in for questioning surrounding the investigation of Jin No Sik.

E15 - Episode 15

Aired: May 09, 2012

Lee Yong Bae must testify as a witness for the murder of Sun Woo's father.

E16 - Episode 16

Aired: May 10, 2012

Jang Il gives Sun Woo one last chance to ask for forgiveness before he launches his plan to destroy his life.

E17 - Episode 17

Aired: May 16, 2012

Sun Woo makes it painfully clear to all those involved in the death and cover up of his father that revenge is imminent.

E18 - Episode 18

Aired: May 17, 2012

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.

E19 - Episode 19

Aired: May 23, 2012

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.

E20 - Episode 20

Aired: May 24, 2012

Sun Woo's symphony of revenge reaches its final crescendo in this shocking finale filled with revelations and reconciliations.