Two eccentric young men, Lung and Chi-Yeung, live a carefree life, considering themselves heroes who can save the world. However, their lives are filled with challenges, including Lung's struggles with his step-mother's depression, his father's annoying behavior after being released from jail, and his friend's infatuation with a girl. Meanwhile, a monster from Lung's favorite animation appears, turning people into zombies, and Lung's life becomes even more complicated.
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In a bizarre turn of events, a beloved animated creature unleashes a zombie apocalypse, and two eccentric heroes, Lung and Chi-Yeung, must band together to defeat the hordes of undead and restore order to their community.