When Hae-Young's wedding falls apart, her family's joy turns into disappointment. Also dealing with rejection, Do-Kyung feels a sense of déjà vu.

Do-Kyung treats Hae-Young to a drink to thank her for finding his wallet. When Hae-Young forgets her phone, Do-Kyung brings it to her the next day.

Hae-Young moves into her own apartment only to find out Do-Kyung is living next door. Surprised and dismayed, Do-Kyung urges her to leave.

Hae-Young sees the other Hae-Young running in a marathon. When Do-Kyung hears this, he's bewildered that his vision has become a reality.

Hae-Young's bra pad falls out when she hugs Do-Kyung. Feeling better, Do-Kyung takes Hae-Young out to dinner only to run into the other Hae-Young.

Do-Kyung has a vision of Hae-Young breaking a glass window. Hae-Young's mother suddenly finds Do-Kyung in her daughter's room.

Hae-Young gives Do-Kyung a boxed lunch she made with her parents. Other employees in Do-Kyung's office are amazed at how delicious it tastes.

Do-Kyung sees the other Hae-Young, who suggests they start anew. Meanwhile, Tae-Jin suddenly appears in front of Hae-Young.