Jiang Guangming has always been concerned about the missing Jiang Na. She believes that Zhang Qing's crime tools are inevitably linked to Jiang Na's whereabouts. If Huajiao can be found, the truth will come to light.So Jiang Guangming applied for cross-regional handling of the case and formally investigated Gu Jiming.Gu Jiming wanted to sell the copyright of "Black Rain" to remake the TV series. But when Su Zhenzhen was negotiating the contract with the film and television company, she wanted to give up the remake because of a clause. What was she worried about?On the other side, Gu Jiming was unaware of the approaching danger...