When his girlfriend double-crosses him, Oh Soo is sent to jail. His life will be in danger if he can't come up with a large sum of money quickly.
Oh Soo pretends to be Young's brother in order to get money from her. But although she's blind, she's not easy to manipulate.
Oh Soo tries to solve Young's riddle in order to prove that he's her real brother.
Hee Sun and Jin Sung tamper with the DNA test. Oh Soo discovers the secret room that Young goes to every night.
Oh Soo takes Young to the lake where her real brother's ashes were spread. Young trusts him fully.
Hee Sun is angry that Oh Soo is falling for Young. She decides to tell Young about Oh Soo's lies.
Soo is about to empty the vault but gets caught by Secretary Wang. Jin So Ra, Soo's ex-girlfriend, is looking for him.
Young and Soo create special events for each other. Soo realizes that the dangerous game he's playing with Young will hurt him more.
Young finds out that the pill she almost took was poisonous, and she starts being suspicious of Soo.
Soo rescues Young, but Young is angry and doesn't know why he doesn't just kill her.
Soo tells Young that he will abandon her if she has no will to live. He wants her to have surgery, and she finally agrees.
Young meets with Dr. Jo, but she tells Young that there is little hope for recovery.
Jang finds out the truth about what Oh Soo and Secretary Wang have done. He tells them they must leave after Young gets surgery.
Oh Soo tries to settle his debt with Mr. Kim and Moo Chul and wants Jin Sung to stay out of it, but Jin Sung wants to stay loyal to Soo.
Oh Soo plays his last poker game in order to bring down Mr. Kim. Somehow Jin Sung gets entangled in the game against Soo's wishes.
Young has had surgery. Was it successful? Can she see? Is Oh Soo alive or is he dead? Will Young and Soo meet again?