Transfer student Zhou Yuan suffers from congenital hearing impairment and relies on hearing aids and lip reading to find a way to integrate into the new class. Ban Cao Yechen is the only person who can patiently communicate with him in sign language, and is also the first person to say to him, "You don't need to listen to the world, the world will listen to you." They passed a total of 321 notes on the rooftop with pen and paper, agreeing to be admitted to the same university.
Unexpectedly, an accident happened suddenly. One month before the college entrance examination, Zhou Yuan's hearing aid was trampled to pieces in the stairwell. In the dead silence, he looked at Ye Chen's mouth shape and understood the sentence...
