Faced with the closure of the performance venue due to the pandemic, the concert Harmonica Heroes had to be performed online instead. Just as the producer (Crystal Cheung) and musicians (Cy Leo and Steffi Leung) were vexed over the online version under the restrictions imposed, a director (Ronald Lam) responsible for the online version joined in. While trying to learn more about the harmonica from the musicians, he was surprised to find out that the origin of the harmonica is related to a Chinese musical instrument. What instrument is that exactly? Let’s find out in Episode One of Harmonica Heroes.