When Hong Kong is rocked by multiple gruesome murders, the police forms a task force to investigate. Jun, once a brilliant detective who suffered a mental breakdown, begins his own investigation. Eventually, the police learn that the murder victims are all suspects of cold cases being rubbed out by a figure known as "The Sleuth". Now, Jun and a detective from the task force are on a race against time to beat the brutal killer at its own game.

The nine-tailed queen of the fox tribe is graceful and beautiful, but unfortunately, she fell into the hands of Yuan Hong, the boss of the seven monkey monsters of Meishan. She was rescued by Jiang Ziya, but Jiang Ziya also cut off one of her tails. The desperate Nine Tails, under the guidance of Empress Nuwa, posessed Daji and became the daughter of Ho Suhu in Jizhou. Before long, King Zhou led an army to attack Jizhou, to thank her father, Da Jihu went into battle by herself, but was captured by King Zhou. The two talked about the way of war by the river. Daji's insights deeply convinced King Zhou and he fell in love with her. That night King Zhou asked Suhu for the permission to marry Daji, and Daji became the empress of the Shang Dynasty, yet, that's when the chaos in the world world began.

In the puppet state of Manchukuo in the 1930s, four Communist party special agents, after returning to China, embark on a secret mission. Sold out by a traitor, the team find themselves surrounded by threats on all sides.

Guan Yu, legendary general of Three Kingdoms, invented new weapon - guandao halberd. His own guandao called "Green Dragon Crescent Blade" weighed 48 kg and was deadly menace for any enemy. During Lu Meng's invasion of Jing Province, the mighty Guan Yu was slain by Pan Zhang of Wu, and his famous weapon was snatched away. Guan Xing, Guan Yu's son, managed to survive the battle and he wants to avenge his father. He trains with all his might in order to retrieve father's blade. Two years later, Liu Bei intends to attack Wu. He assigned Guan Xing to be the leader of a small team, comprising of young generals. Their mission is to destroy Wu's water dam. As Guan Xing throws himself into danger, he realised that Wu had discovered their plot, turning the odds into their favour. In the end, Guan Xing encounters Pan Zhang, the killer of his father, and they begin to fight at the water dam. So, who will get the Green Dragon Crescent Blade in the end?

A story that tackles the life experience and mental issues that plague the PTU officers from the perspective of a former undercover cop who returns to the force. After successfully bringing down the triads, Gao Jiasheng (Raymond Lam) goes back to wearing the police badge and crosses paths with Sergeant He Huiling (Charlene Choi) and Team Leader Liu Jianhui (Alex Fong). The three have their share of misgivings, but learn to build trust and friendship through a series of dangerous missions.