Shi Lei's grandmother is critically ill and urgently needs money for surgery, but his wages are withheld and his father's old truck is taken away. Desperate to save his beloved grandmother, he ventures deep into the Black Wind Pass no-man's-land with Lao Ma. After enduring deadly trials, including sandstorms and quicksand, they finally discover a rare Wind Spirit Stone Heart. When greedy men pursue them to seize the treasure, Shi Lei uses his intelligence and the power of the law to bring the criminals to justice.