bill: twenty-four-year-old joshua wong and his two closest political allies are fronting up for theirfamous student activist, he's led pro-democracy protests since he was a teenager. joshua: it would not be surprising if i'm sent to immediate detention today. in the past 3 weeks, a total of 23 activists, journalist and councilor came under arrest. every day we have activists standing in trial, protestor sent to jail. bill: today, he'll plead guilty to organizing and inciting a protest at the height of the unrest in 2019. joshua: may god bless hong kong. and we will continue to fight for freedom. ♪♪♪ bill: anticipating another jail stretch, joshua wong agreed to talk to us a few days before his trial. joshua: i would say that, as the one who have been arrested for ten times, faced six court cases, been jailed for three times and might be jailed soon, time might be running out for my personal safety. as a political activist, my role is to continue to fight and to let the voice of hong kongers be heard around the world. bill: his instincts prove correct. five days after our interview jos

joshua wong: hong kong is just similar as east berlin in the last century under authoritarian rule.time for us to fight back, let the world to know that we are the ones stand in the forefront to confront beijg suppression. johnson yeung: i do hope hong kong movement can serve as a beacon that tells mainland chinese we can live better than just submitting to the terror of beijing. sophie: tonight on "four corners," we take you inside hong kong's rebellion, as ordinary citizens across this city rise up to reject beijing's control. ♪♪♪ ♪♪♪ ♪♪♪ sophie: one minute it looks like any normal saturday afternoon in hong kong. the next, protestors suddenly spill out from the train station and start shutting down this massive intersection. [shouting] sophie: they're known as netizens, citizens who connect online. this act of civil disobedience was organized on an encrypted app. sophie: the ones building the barricades are the frontliners of the movement. umbrellas are used to keep their identities secret. sophie: with the roundabout blocked, it won't be long before the police arrive. sophie: th