Iron Heart Shocks Hong Kong

After being betrayed by his girlfriend and fired from the Grass Hut Legend band, Su Mu accidentally travels to another world and awakens the Great Entertainment System. Just as the lead singer of the Red Leaf band faces a scandal and cannot compete, he is suddenly tasked to team up with top student backup singer Yan Xiangqing. Together, they debut their original hit 'Iron Heart' at the Hong Kong International Music Festival's resurrection round. Using this Cantonese classic to break through against the odds, Su Mu launches his counterattack that will sweep the entire entertainment industry.