The usually carefree Guan Hong Yu gets accused of having murdered a whole family. To clear his younger twin brother’s charge, the team leader of the criminal investigation department Guan Hong Feng wants to take on this case, but since he’s a relative, he’s not allowed to participate in the investigation. A new team leader named Zhou Xun is assigned and ends up seeking Hong Feng’s help. Zhou Xun and Hong Feng, as his “consultant”, uncover a number of cases together. However, Hong Feng has a secret: one of the twin brothers has a fear of a dark phobia, so the “Hong Feng” appearing at the police station during the day and at night is actually not the same person. Together, the twins secretly try to find out the truth about the “family extinction murder case.”
In the 1940s, the world was in turmoil, and it was crucial to decipher the enemy's communication codes in a timely and accurate manner. Rong Jinzhen has shown amazing mathematical talent since her childhood, and because she solved the problems assigned by her math teacher, she was noticed by more people, and even walked into the door of code-breaking by mistake.
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, Gu Cai, and Duo Ling on Coral Temple Island. Together, they set sail. One night, they were sucked into the underwater cave of Guixu.
A report exposed that the renowned corporate giant JuLun Group in Canghai City has covered up the truth about a mining disaster that occurred years ago. Deputy Director Qu Jianghe becomes the focal point of the anti-crime and anti-evil campaign. When he gets involved in the investigation, he realizes that the line between right and wrong in reality is no longer clear-cut. Due to various interests at stake, his opponents, friends, and even his superiors, all demand the concealment of the truth. The newly appointed female director Yan Ge is also shocked by the harsh and heroic reality. Covering up is a greater evil than the crime itself.
Hong Kong antique dealer Ming Shu commissions Hu Bayi, Wang Kaixuan and Shirley Yang to look for the glacier corpse within the demonic kingdom from the legends of King Gesar. Having just escaped the "worm" valley, they embark on a new journey to unravel a curse.
