Executioner Yip Sheung-luk has shed blood too many times to count. To protect his savior’s pregnant daughter-in-law Yuen So-sam from danger, Sheung-luk sends So-sam to the capital, where she is to stay with renowned midwife Fa Yui-hung. A series of strange murders soon take place, and Sheung-luk saves a little life with his blade. But this baby boy of unknown origin gets Sheung-luk and Yui-hung in trouble with the imperial court. Step by step, the unlikely duo overcome obstacles together, developing a close relationship. Meanwhile, young couple Chek Tsz-chau and Chuk Siu-moon, both who have lived in a whore house for most of their lives, suddenly arrive at Yui-hung’s home. Siu-moon begs Sheung-luk to accept Tsz-chau as his disciple, but reckless Tsz-chau wants nothing more than to use this opportunity to escape from his punishment. Sheung-luk’s life changes forever after the appearance of mysterious magician Szema Chau. The baby boy’s identity is uncovered, putting everyone one step closer to their own deaths.

A Communist spy serving as an officer of the Japanese puppet regime joins hands with Russian and Korean spies to execute an assassination plot.

In the year 1941, Nazi Germany declares war against the Soviet Union. Given that Manchukuo's loyalties lie with Cheng Tian, the Russians are caught in a situation where they face threats on all sides. Their intelligence agency devises a long-term plan in secret. Communist spy Tang Fei (Liu Yunlong) receives a mission to infiltrate the enemy by pretending to be one of their own. At the Security Bureau, he crosses paths with Cai Meng (Han Chae Young), a woman determined to fight against the Japanese regime. They gain each other's trust as they try to outsmart the enemy within their own territory.

Bussaba wants to own a vineyard farm and trusted all her savings to her lover to purchase it. He betrayed her and left her penniless. She can't go home due to shame and lied about her current life to her own family. Later, she sees opportunity to work in a vineyard owned by a succesful family as a manager. Bussaba's plan is to seduce Puwadol (the owner's step-son) to like her, so he can help her and her family.

Meanwhile, Din (Puwadol's brother) somehow liked her at first. He pretends to be poor and deceives her to see her true nature. He was disappointed and saw her as a gold digger. He wants her to resign by giving her difficult tasks. Much to his dismay, she is a fighter. As the story goes, Bussaba falls in love with him instead and forgets her plan. Din also falls deeply in love with her. Now, he has to face the consequences of his actions and issues with having a fiancee.

Sequel to Yi Guan Xiao Zhuan

Stage play actor KAN SIU NAM (Adam Cheng) went through a huge personality change after his daughter went missing for several years and ends up divorcing his wife MOK LAI HING (Rebecca Chan). Since then, SIU NAM concentrated entirely on his theater acting job. Due to his role as a murderer in one of the plays, he was drawn into a strange serial killer case and accidentally meets his colleague LEE CHOR KIU's (Maggie Siu) boyfriend JEUNG SAI YIN (Moses Chan) and his sister JEUNG SAI TING (Aimee Chan). During their interactions, SIU NAM noticed YIN was very similar to the serial killer suspect and had an abnormal feeling towards TING. The relationship of the four individuals seem controversial. When SIU NAM wanted to clarify the truth to the serial killer case, he realizes he's getting further and further away from the truth. His sense of conceivability gets even more shuddering and disappointing.

Different stories happening in Bangkok during the COVID-19 quarantine.