Why Her?

What Gong Chan Tried to Hide from Soo-Jae (1x11)

:

After finding out what Gong Chan has been hiding from Soo-jae all along, Soo-jae feels devastated and keeps a distance from him. She recollects her memories of how helpless she was when she defended Kim Dong-goo ten years ago. Meanwhile, Sung-beom pays a visit to the funeral of the victims of the construction site fall. He suddenly gets attacked by one of the bereaved family members and ends up being hospitalized.