Behind the big city glamour of Shen Zhen, China, lie its back alleys, stretching out from the job allocation office of the San He Labor Market. Here, cheap internet cafes and flophouses are squeezed. Young people from the countryside arrive in droves in search of a better life, but many descend into a cycle of gambling, debt, sleeping on the streets and round-the-clock online gaming. From the depths of China's Silicon Valley, the program focuses on the realities of Shen Zhen's day laborers.