Billy is queer and depressed. He self-harms and is constantly bullied for his feminine appearance. After his biological father came out, he left an old camera to Billy. Billy’s mother remarried three times and moved to the United States with her current stepfather. After Billy’s younger sister drowned, the family was abandoned by their stepfather and had to return to Taiwan. One day, after taking a bath, Billy muttered to himself, “I promise to accompany you,” with several medicine jars beside him. He then sat on the toilet and fantasized about having sex with a snail, feeling both pleasure and disgust.

Once a top waterskiing prodigy, a young man alienates his three godfathers and shuts out the world after a career-ending injury. His life finds light again when he meets a mysterious girl, but his desperate need to prove his worth leads him to pawn his late father’s keepsake for a luxury car. Consumed by vanity, he allows materialism to erode their pure love, eventually driving her away. Now hitting rock bottom in a desolate reality, he must decide whether to remain in despair or find the strength to face his past and seek the redemption he so desperately needs.

It's almost been one year since his boyfriend committed suicide on the day of the Moon Festival, in their own home. Wei, left alone, struggles to leave his memory behind and isolates himself in the apartment that torments him.