Zhang Guoqiang, who had just graduated from college and was going to work, received a call from his mother that day, saying that his grandfather was sick, and asked him to rush to the hospital to be with his grandfather. It was his grandfather who had cancer. On his deathbed, he told him a secret that had been hidden in his heart for decades. Grandpa wanted to go back to his hometown to see the Zhang Family Courtyard in Huaihua, Hubei, and his little sister whom he had only met once. Zhang Guoqiang, who was in Shaoxing City, Zhejiang Province, could only embark on a journey and drove into Hunan with his cousin and driver. In Changsha, the younger sister and the driver's bodyguard went to donate blood. On the way, they were followed and intercepted. When they approached Loudi City, a car accident happened. The three were imprisoned in Qingfu Hospital by the behind-the-scenes officials who wanted to use their DNA gene codes for transactions. The student nurses rescued them. After the help of many people, only two people were rescued, and the driver was missing.
After that, Zhang Guoqiang tracked with the help of his friends and kidnapped the chief doctor as a bait to catch the dean. Only he knew the whereabouts of the driver and learned that the dean was having a meeting in Huaihua. Zhang Guoqiang and the others rushed there without seeing the dean. Within a limited time, they entered the Zhang family compound. In the Zhang family compound, Zhang Guoqiang saw the underground treasure of the Zhang family and the great-grandmother who died in the basement. The mysterious missing great-grandmother had been guarding her treasure house. I also saw a mysterious figure in the Zhang Family Courtyard. Who is she?