When tour guide Zhou Tao leads a group to Thailand, he unexpectedly receives an early warning text message sent by himself from ten years in the future. Female tourist Liu Lili poses as a filial daughter, crying and begging him to help check in her luggage, but in reality, drug compartments are hidden in the medicine bottles. Superior Zhang Jianguo applies public pressure to force Zhou Tao to compromise in order to cover up the smuggling, and also incites passersby into moral kidnapping. Zhou Tao withstands the pressure and insists on opening the box for inspection. After several struggles, the drug-snorting dog sees through the drug-hiding trick, and the drugs are exposed on the spot. After returning to China, Zhou Tao uses the warning again to save female tour guide Shen Mengqing, who is in danger of being framed, and the two join forces to trace the mastermind behind the scenes.