On the day he was laid off, Luo Nian discovered that he could see everyone's debts. The boss owes three lives, the landlord has hidden secrets for others, and there is another hidden reason behind the departure of his ex-girlfriend. As long as he settles an account for others, he can obtain the other party's strongest abilities, resources or clues. From collecting wages for delivery workers, to finding relatives for the elderly, to investigating his father's old case, Luo Nian gradually tore apart the human network in the dark places of the city. Later, all the big shots in the city were afraid that he would open the diary. Because the last page says: This city owes him a life.
