Deep in a narrow alley stands an Echo Repository, where people can store the obsessions they cannot let go of.
The price is that their pain is transferred to Su Yu, the one who receives it.
Shen Shu keeps leaving behind fragments of long-sealed keepsakes, sowing suspicion and laying a scheme that spans twenty years.
Burdened with the grief of countless strangers, Su Yu becomes entangled with Lu Yan, the keeper of the repository, in a struggle between lies and truth. Amid the twists of love and hate, they tear open a past everyone deliberately tried to forget.
