Lynn Shaw is at Blackwind Airport. Her luggage is weighed 30 kg overweight, fined 30,000 yuan, despite empty suitcases. Colluding staff give her a hard time. To expose the airport's scam with modified scales, Lynn Shaw reports 30 kg of lost rough colored diamonds to bring an Officer. She withstands bribes, slander, and threats. With a ledger as evidence, she exposes the scheme. The people involved are arrested, and the airport is shut down.