After the Armor Heroes united to seal up the Dark Forces Monsters, the city regained its peace and happiness. Since Monster Ten was not successfully sealed up, Mei Zhen found Zi Yang, hoping that when danger and difficulty arises, Zi Yang would be able to seal up this last monster and would completely eradicate the forces of darkness on earth. Meanwhile the Five sealed in the Monster Sealing Box, in order to fulfill their quest for world domination, used the forces of darkness to entice an angry youth, and created new mutants to create havoc in the city.

Ning Ning is a new student at her school, where her passion for singing helps her form a relationship with a boy in her class. Together with their friends, they fight the odds to participate in an inter-school singing competition.

Top actor Zheng Zhi (Shin) and Nina (Gillian Chung) are starring together in a movie about a poor man romancing a rich girl. Filming isn't going so smoothly, however, as director Mandy (Li Xiaoran) keeps picking apart Zheng Zhi's acting. It turns out that Mandy and Zheng Zhi are actually former lovers, and the movie's plot is their own story. Meanwhile, Chuan Zi (Yu Shaoqun) joined the production as an extra in hopes of reuniting with Nina, whom he believes is his childhood sweetheart. Nina, however, already has a rich and handsome boyfriend.

The 30-year-old Xiao Ma is the lead guitarist of the "cold avoidance" band. On the stage, he is full of energy, cool and heroic, and invincible; in life, he is a smiling, sunny, and loves the Tiger New good youth. In his spare time, the Xiao Ma is not indulging in the entanglement between flesh and skin, but actively learning various knowledge. In the English tuition class, he fell in love with the beautiful tutor teacher Jiang Ting. Under the circumstances of concealing identity, Xiao Ma and Jiang Ting began to fall in love. However, there is an unspeakable secret in Xiao Ma's heart, that is, his bed wetting, which has also become the biggest obstacle in his love process ...