When Shenglan's third refrigerated unit reports a broken chain and 3.2 million in losses, the insurance company's claims manager tells Yu Ran to open the door and take a quick look, without making a fuss. Yu Ran fires back by exposing a 470,000-yuan debt from the previous month. In warehouse eight, the temperature indicator strip is stuck at the frost-protection setting, the cabinet's feet are coated in nearly two centimeters of frost, and the hinge pin on cabinet one has three layers of ice. He determines on the spot that the goods have repeatedly been moved between temperature zones and relocated three times. He photographs them, reads out the timestamps, scrapes off the frost and seals it as a sample, then makes the cold-storage manager sign all three copies of the form. Twenty-seven minutes later, just as he's about to move on to cabinet three, a dull knock suddenly comes from inside cabinet two, like someone has tapped the door once. What exactly is sealed inside: goods, or a person?