Jia Yi, Kopi, Uncle, Wawa, and Ah Di are five high school kids in Form 5. They are constantly playing truant from school and like to play tricks on girls with the harmless intent of only wanting to leave memories in the girls heart, and paint the school red just to leave traces of their past.
A peculiar disappearance case leaves Master Shan mourning the loss of his beloved wife. It also results in Zhang Yi Jing growing up without a mother's love. Master Shan was a locksmith, running a shop called 'Cheng Xin'. However, due to an unexpected incident, he developed dementia. He later takes on a devoted apprentice, Cheng Hao Ren. Hao Ren inherits Master Shan's exceptional locksmithing skills, becoming a master at opening locks, even surpassing his mentor. Because of his remarkable abilities, he's frequently called upon by the police, and this leads to a friendship with Officer Liu Ye Chen. To this day, there hasn't been a lock that Hao Ren couldn't open.However, during one locksmithing job, he reunites with an old friend, Lee Quan Kai, whom he hasn't seen in years. From that moment onwards, a series of strange events unfolds.
Chef Huang is on a quest and embarks on a journey to discover the best nasi lemak recipe. He finds himself in the ultimate kitchen battle against his competitors Gong Xining and Lan Ciao but inadvertently goes 600 years back in time to the days of the Melaka Sultanate.
In an attempt to investigate the origin of the "bloody handprint", Peng Yutian, the most unreliable detective of the Sixth Department, travels to Luoyang. To preserve his agency's reputation, Peng is forced to use in the Qingyun Paviliona variety of tricks that aren't always fair.