CBT stands for Crime Busters Team. It is a course offered at college and there is only one school that offered this - Taiwan Arts Academy. Students that signed up has to wear a mask on the selection date. They require code names and only about 10 out of the many are selected. Out of the selected ones, they have to take another course as a smokescreen and their grades are accumulated during their missions in CBT. After they graduate, they would be offered a chance to work in the police force.

Arron, Hebe, Jiro, Selina, Danson, Genie, Prince & Guigui are good friends. All of them have a special friendship bonding since the first day they met each other 3 years ago. Arron had been wooing Hebe for 3 years but was rejected again and again. Because of the car accident one year ago, Arron could not forgive himself and couldn't face Genie. Because of this, he slowly fell sick during this one year and the illness may cause his life and he started avoiding Hebe. Hebe did not know about his illness and was convinced that he does not love her. Jiro and Genie loved each other but because of an accident that happened one year ago that changed their destiny. Because of this accident, Selina got closer to Jiro and Danson got closer with Genie. Jiro can't forget his love for Genie and he rejected Selina but Selina was willing to stay beside him. Jiro would visit Genie frequently but he didn't know that Genie was developing feelings for Danson. Because of this, his hatred for 007 increased. After figuring out that Arron is 007, he began to take revenge on the person he loved most - Hebe.

Arron Lim Lin Qi  (Aaron Yan)
Crazy, hyper-active
To marry Hebe is his goal
A rich young master in disguise
Two older brothers and one younger sister, Genie
~~~007~James~~~
Mysterious, High Thinking skills
Needs chocolate to increase his thinking ability.
Main work is to analyse

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Jiro Sim Shi Qi (Jiro Wang)
Cold
Loves Selina but doesn't know
Thinks that he loves Genie but...
Hates 007
One older brother, Danson
~~~447~Winter~~~
Cold, extraordinary eyesight and hearing
Hates 007 but does not really show it
Main work is clue collector

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Hebe Wu Qi Er  (Hebe Tian)
Kind, Gentle
Rejected Arron 1312th time because of her time management
One older sister, Selina
~~~572~Heely~~~
Normal, Highly skilled kungfu with passable thinking skills
Main work is undercover or assist 007

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Selina Wu Ling Er  (Selina Ren)
Cold
Loves Jiro but Jiro loves Genie
Jiro's confidante
One younger sister, Hebe
~~~502~Lynn~~~
Cold, extraordinary sense of taste, touch and smell
Main work is clue collector

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Danson Sim Shi Xuan  (Danson Tang)
Normal, not too cold, not too warm
Loves Genie but hid his feelings because of Jiro
One younger brother, Jiro
~~~440~Light~~~
Normal, IT professionist
Main work is handling computers and research

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Genie Lim Xin Yi  (Genie Zhuo)
Kind, Gentle
Once loved Jiro but now struck in the entanglement in the 4-sided love.
Three older brothers including Arron
~~~071~Queenie~~~
All infomation destroyed

CBT Codes/Codenames
007James = Arron
447Winter = Jiro
572Heely = Hebe
502Lynn = Selina
440Light = Danson
071Queenie = Genie
221Shengyi = Prince
312Yingjie = Guigui