Hu Bayi and Fatty Wang had planned to go abroad with Shirley Yang. However, they were entrusted by Professor Chen to travel to the Coral Spiral with Mr. Ming to search for the Qin Emperor's Bone Mirror. They befriended Ruan Hei, Gucai, and Duoling on Coral Temple Island. Together, they set sail. One night, they were sucked into the underwater cave of Guixu. In despair, Hu Bayi and Shirley Yang decided to risk their lives using the Sun-shooting wooden mechanism to lead everyone out of Guixu.

A group of brave youth who are not afraid of bullets, guns, and hardships. The students stay firm in their beliefs to save their country.

A police detective investigating the kidnapping of elementary school students becomes involved in the intricate network of the underworld. Beijing policeman Li Hui Yan has gone alone to a small town in Dongbei due to a kidnapping case. By chance, he meets Zhou You, a mortician who is searching for the truth about his father's death. The two are pulled into grudges and entanglements that span three decades. In twelve days and nights, a secret about human nature is revealed.