Song Zhiqiang has been delivering food for three years. He received negative reviews, had his money deducted, was dumped by his girlfriend, and could hardly afford to pay the rent. Landlord Liu Cuihua blocked the door and scolded him for half an hour while he squatted in the stairwell and smoked his last cigarette. A message popped up on the phone, from an unknown number. It just said: 'Your takeout box has arrived, please sign for it. 'He thought it was another scam text message and didn't take it seriously. The next day, the broken box appeared at his door. He opened it and saw that there was nothing inside, just an empty box. But when he put the meal in and took it out, the cold bowl of noodles was steaming. Later he discovered that this box could not only keep warm. He tried to put in the curse words of the landlord, but the landlord was speechless on the spot. He tried to contain his ex-girlfriend's regrets, but the woman called him crying. He tried to cover up the boss's difficulty, but the boss took a detour the next day when he saw him. But the box has rules. Whatever you put in it, you have to take out. He pretends to be someone else's disease, and the disease grows on himself. If he pretends to take someone else's life, his life will be worth it. Until that day, he received a special order, and the delivery address was: 'There is something buried under the old locust tree in the east of the city. '