A major accident takes the lives of 48 people. The lives of the survivors, those who lost loved ones and those connected to the parties blamed for the tragic event are also marked forever.
Épisode 1Moon 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.
Épisode 2
E2
Épisode 2Moon 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.
Épisode 3
E3
Épisode 3Moon 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.
Épisode 4
E4
Épisode 4Moon Soo suffers amnesia from the accident; Moon Soo confronts Gang Doo about the accident; Gang Doo talks to Yoo Jin about Joo Won.
Épisode 5
E5
Épisode 5Gang 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
Épisode 6
E6
Épisode 6Gang 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.
Épisode 7
E7
Épisode 7Forced 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.
Épisode 8
E8
Épisode 8Gang 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.
Épisode 9
E9
Épisode 9Moon 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.
Épisode 10
E10
Épisode 10Moon 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.
Épisode 11
E11
Épisode 11Gang Doo pays a final visit to the grandmother; Moon Soo starts a new project; Gang Doo acts on the grandmother's final request.
Épisode 12
E12
Épisode 12Gang 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.
Épisode 13
E13
Épisode 13So 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.
Épisode 14
E14
Épisode 14Moon Soo and Gang Doo come face-to-face with their long-repressed trauma; Gang Doo comforts Moon Soo.
Épisode 15
E15
Épisode 15Moon 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.
Épisode 16
E16
Épisode 16The 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.
