There is a beautiful town surrounded by a big lake, ‘Achiara’. The dead body of a pretty lady found in the middle of the day in the peaceful town shakes Achiara. Soyun is a young teacher from Canada. All the people in town walk on eggshells with the appearance of the stranger. Soyun finds a skeletal corpse near a lake during her first week of work. An uncomfortable stranger throws a peaceful town into chaos in a day. Even worse, the place Soyun stays in is apparently where the dead woman used to live. It is said that Achiara is actually not a peaceful area. Who attracted Soyun to this place and why? Who is the dead woman and who killed her? The people’s tightly held secrets are disclosed one by one despite their efforts to keep them hidden.