In 1979, antique appraiser Su Yu was taken into the Chen family's old courtyard, preparing to divorce Chen Jianshe, whom she had never met before, and return to the city. But as soon as she entered the courtyard, she heard the old things in the courtyard gently calling out a name - her mother who was "not here" for a long time.
A jade cicada, an account book, and the sentence "Leave the cicada until his daughter comes to get it." A marriage that involves marriage first and love later, a past that has been hidden for twenty years, is being revealed to her step by step, following the sound of the remaining artifacts.