A psychological horror about a novice nun who develops a severe skin condition which continues to worsen along with her mental state as she struggles with her feelings for another nun.

Nicky's whole world revolves around fitness, with the goal of getting bigger and stronger. But when hidden memories from her childhood come to light, Nicky's body obsession takes an unhealthy direction.

In a society where everyone changes day and night to adapt to a new climate catastrophe characterized by extreme ultraviolet rays, Inkyung, who lives with her older sister at work, works part-time as a home insurance advisor during the day when everyone else is asleep. No matter how many times she changes TV channels, In-Kyung, in the middle of the day, working on a boring broadcast that only shows people going out, gets a call from her sister, who she thought was sleeping in her room. She searches for her sister at home, but in her small two-bedroom villa, her sister is nowhere to be seen. When the bewildered In-Kyung cannot resist her sister's insistence, she grabs her protective suit and prepares to leave her house, when suddenly a strange older sister appears in her house. Unlike her sister on phone calls, she convinces In-Kyung to stay at home. Feeling alienated by her older sister's attitude, In-Kyung, who fled the noontime outdoors with her naked body, no longer stays in the shade, but opts to go out into direct sunlight, whatever the outcome.

A married woman tries to start a new life, but discovers that desire can be a dangerous road with no return (Inspired by the legend of "El embolsadito" from San José del Rincón; Santa Fe, Argentina).