As nightfall casts shadows on their secrets, the woman schemes under the shroud of darkness, returning to the house to share her clandestine plans with her partner in crime. Yet, an otherworldly aura permeates the air, revealing the lovers' true selves and dropping cryptic hints about the mysterious male corpse.

Ten-year-old Yu and his younger sister loved playing “The Countdown Game” with their grandfather, who could always find the hidden watch in seconds. After Grandpa’s sudden passing, u feels lost and is misunderstood as having taken the watch. As he searches for it with his sister, he is forced to confront the grief he has tried to avoid. A moment of honesty with his mother finally opens the door for Yu to release his long-held emotions and find the courage to face his sadness.