A narrative thread that revolves around the investigations conducted by team leader Feng Sen and Luo Xin Ran of the Inspectorate Office. They represent a new era of prosecutors who devote themselves to safeguarding people's rights and upholding justice.

At the commendation meeting of Dong Chuan province's "Top Ten Figures of the Rule of Law," He Shu Guo who is the director of the Second Prosecution Department suddenly comes face to face with the family members of a death row convict. In order to find out the truth, legal committee secretary Zhang You Cheng appoints Feng Sen as the leader of the prosecution team to investigate the case in depth. Feng Sen tries to do his job yet his unorthodox style of handling cases ignites several disputes. In the process of reopening an old case, layers upon layers of mist are gradually lifted to reveal a harsh truth. Feng Sen works with Luo Xin Ran of the Inspectorate Office as they stick to their professional ethics and refuse to cower in the face of threats, all in the name of maintaining authority of the law.

High-flier Mak Tai Song (Dayo Wong Tze Wah) has dissociated himself from the business world by showing deep regret to the suicide of his mentor. Later, he learns that his mentor's wife She Mo Lin (Theresa Lee) is in great debt and he starts selling "business tactics" to the trader Tong Kat (Benz Hui Shiu Hung) for Lin's debt recovery. Deadbeat Song refuses to take a full time job and that makes his income change from day to day. A tough collection agent, Lam Miu Miu (Charmaine Sheh), tries every means to push him into a corner. They keep playing tricks on each other and finally become a pair of rival lovers. By chance, Song meets his uterine brother On Cho Lin (Michael Tse Tin Wah). He thereby recalls the tragic memories of the past when his mother deserted him and his father. This triggers the hatred hidden deep inside his heart and leads him to seek revenge against On's family. Song's abrupt change has left Miu feeling confused.

The story follows 21st-century man Lin Wan Rong who is touring around Mount Tai when he accidentally falls into a dark space, transferring him to a parallel world, existing at the same time as the Song dynasty. In this world, many historical facts are in contrary to what is written in historical books. For instance, Xiang Yu defeated Liu Ban at the Battle of Gaixia and never committed suicide, as a result. While he’s described as smart and generous, he also enjoys joking and playing around as much as the next person. Using his economics wits, modern knowledge, and a whole layer of thick skin, he’s able to rise to become a lord of his own. However, with money and power, he inadvertently gets entangled in a power struggle between the royal members and somehow finds himself leading a troop to war.

The private security company, where Akira Shimazaki worked, is sold to a large company. The large company's policy is only focused on making a profit, so Akira Shimazaki isn't happy about with his new employer. To stay true to his belief of protecting the weak, he quits his job at the private security company. Akira Shimazaki begins to work for himself as a private bodyguard. Masaya Takanashi has a strong sense of duty as a bodyguard. He wonders why his Akira Shimazaki quit his job at their security company. To find out, Masaya Takanashi visits Akira Shimazaki.

Wong Tin (Adam Cheng) is an all-powerful tycoon in town. While he is the one who stirs things up, he is also the only one who can settle them. Bao Man Lung (Ekin Cheng) sees Tin as his mentor as well as his friend. He is truthful with and loyal to Tin, yet he is bruised all over in the end! Poon Long Ching (Roger Kwok) worships Tin. His is determined to get rich and famous, by fair means or foul. Nevertheless, he ends up being used by Tin's enemy to fight against Tin.

Burapa and Tawan are brothers and the sons of a well-known cop. They are very close as brothers. Burapa is into boxing, while Tawan wants to follow in their father’s footsteps to become a cop. One day, they hear a gun shot and go to see what is going on. This way, they witness a murder and when the time comes to point the finger at the killer, Tawan is not hesitant to do the right thing. Burapa knows that the bad guys will not leave their family alone and he begs Tawan not to be a witness. This is how the conflict begins.