After the final exams, a body is found hanging in the men's bathroom, its cause of death uncertain—suicide or murder? With no clear signs of foul play, the investigation uncovers bullying within the class and complex student dynamics. The suspects include a trusted teacher, a class president fighting for justice, a passive gifted student, a weak follower, and a powerful troublemaker. As motives and opportunities are questioned, the mystery of who killed the student unfolds in the near-empty school.
As they are going to visit their former teacher, Micky, who is seriously ill, three men who were buddies back in their high school years are reunited. Moreover, they go back to the old cram school, reminiscing about their rebellious youth. In the 1990s, that cram school was known for its strict rules and the trio, who loved making trouble, had given the director a big headache until Micky arrived as a new teacher. He not only tamed the boys but became a good friend to them. Micky often talked about romantic relationships and sexuality to the students and made documentaries to speak up for the gay community. It is because of him that the students got to understand the homosexual or even themselves.
Melody, a teenage girl, lives in a borrowed mansion together with her parents, whose marriage is on the rocks. Though they look like a happy family, they are three people struggling in the game of life. A long-deserted amusement park appears to be the only way out.
Middle-aged A-San, who has been single for many years, finally feels his heart beating again. But he is hesitant in taking action and asking out Yu-lian. His best friend is someone who has always been on his side and has never abandoned him, but can’t take his celibacy anymore. This friend is his penis. His soft, flaccid penis turns into a human. He swears to God that he will turn his loser life around and get laid. So A-San and his penis duke it out for control of sense and sensibility.
Muqi, a young pop star becomes more and more arrogant, especially with his manager Nagatsuki, a long-time friend who suddenly commits suicide. Muqi finds himself crushed by sadness and guilt. At the funeral, he meets Master Bensheng, guru of a cult his friend belonged to. If at first, he finds comfort within his place, cracks may soon appear in the caring appearances of the cult members.