The story is about an undercover police officer ho Nan lurk in the sky group, Yuntianhua Group Chairman Zhu Defu mission is to search for evidence of illegal fund-raising. We obtain clues in He Nan, discovered by Zhu Defu, and the murder case referred to Ho Nan, He Nan as the police wanted fugitives. Zhu Defu's son Zhu Zijie girlfriend Zhou Li, for Zhu Zijie rap has been in prison for five years, when she was released from prison after, found Zhu Zijie and heiress Song Siqi engagement. Zhou Li downhearted. At the same time, Zhu Defu in order to let the son and Song Siqi marriage without interference, so that the song to the sky group injection of purpose, he sent killer to kill Zhou Li. He Nan and Zhou Li also had to kill Zhu Defu group, this two people together, set to join the dangerous journey to break Zhu Defu crime clues. A love, a conspiracy, he should decide on what path to follow. A song, a trip, they are dangerous journey to the vast, running all the way...