Ten-year-old Tang Tang lives with her uncle Trin while her parents are abroad for work and loves to watch her favorite black and white action television series "Charming Spy." One day, when she decides to watch wearing her 3DDD glasses—a new invention by her uncle's eccentric best friend Wisawa—the most unexpected thing happens: her idol, star of "Charming Spy," Secret Agent Chen, comes out of the screen as a real person! When her 3DDD glasses break, they lose the only way to send him back into the show.