An Xiaonian, a junior high school student, has a crush on Bei Jinran, a high school student, but she still has a secret that she can't let go of. That secret concerns Foucault.
Bei Jinran is Tong Xiaoru's boyfriend, and he has an unspeakable secret about An Xiaonian.
Foucault's life became gloomy after meeting Su Yanmei, and he also had a secret that he had hidden in his heart for many years.
Su Yanmei is gay. She has always been perverse and arrogant. She always thinks of the woman named SARA late at night. This is also an unknown secret. The secret is about Eamonn.
Xiao Xinnan is a silent child living in darkness. After meeting An Xiaonian, what changes will his life face? How will he react after discovering everyone's secret?
The secret of time. The unknown secret.
The entangled package of four people involved...