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.

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 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 suffers amnesia from the accident; Moon Soo confronts Gang Doo about the accident; Gang Doo talks to Yoo Jin about Joo Won.

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.

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.