The others must find a suitable liver donor for an ailing Gang Doo; having looked over Joo Won's documents, Yoo Jin comes to a major decision.
Moon Soo questions her purpose; Gang Doo tells Moon Soo they should complete the monument together; Yoo Jin tries to help Joo Won; Yoon Ok sets off somewhere.
Moon Soo and Gang Doo come face-to-face with their long-repressed trauma; Gang Doo comforts Moon Soo.
So Mi discusses dates and locations with Moon Soo and Gang Doo; Yoon Ok tells Dong Cheol about the past; Joo Won's callousness disturbs Yoo Jin.
Gang Doo agrees to the new contract; Moon Soo gives Gang Doo's medicine to Jae Yeong; Moon Soo's remarks about the drawings of the old mall startles Joo Won.
Gang Doo pays a final visit to the grandmother; Moon Soo starts a new project; Gang Doo acts on the grandmother's final request.
Moon Soo remembers all and finds Gang Doo in her past; Gang Doo faces his past; the grandmother takes a turn for the worse; Moon Soo purseues Gang Doo.
Moon Soo sees Gang Doo and Yoo Jin together and comes to the wrong conclusion; Gang Doo tries hooking Moon Soo up with Joo Won; Yoo Jin tells a story that gives Moon Soo a revelation.
Gang Doo and Moon Soo look for good construction materials for the project; Joo Won puts his foot in his mouth at a meeting; Yoo Jin must do Yoo Taek's work to be sure it's done right.
Forced to spend the night together, Moon Soo and Gang Doo bond while sharing family stories; Joo Won makes his aspirations known at the family reunion.
Gang Doo has suspicions about the grandmother's mood change; Wan Jin notices something about Moon Soo's picture of Joo Won; Moon Soo's attempts to hide her emotions upsets Gang Doo.
Gang Doo critiques Joo Won; Gang Doo and Moon Soo look for tombstones for a new monument; Yoo Jin looks unfavorably on Yoo Taek's performance
Moon Soo suffers amnesia from the accident; Moon Soo confronts Gang Doo about the accident; Gang Doo talks to Yoo Jin about Joo Won.
Moon Soo and Gang Doo are survivors of the shopping mall collapse. Moon Soo cannot avoid Gang Doo, despite her best efforts; an investigation puts Moon Soo in trouble.
Moon Soo confirms to Joo Won that she is determined to see the project through; Moon Soo keeps running into Gang Doo; Yoo Jin becomes project manager; Gang Doo gets a job on-site.
Moon Soo awakes routinely from a traumatic dream and opens a bathhouse in the morning. Her traumatic experience has given her a passion for building safety working part-time in architecture. Moon Soo is given an opportunity to join a project team.
