Living on the rooftop, Gao and his friends are the happiest bunch in the city of Galilee. Though life can be tough in this bustling metropolis, that doesn't stop them from churning out song and dance with a zest for life. However, when Gao meets his dream girl, Sian, fate takes him on a wild ride through romance, friendship, and gang rivalry, told in enchanting melodies and stunning dance numbers.