The film tells the story of the single-parent father Tianshan who wants to save his son with a congenital heart disease, Tian Youyou. When he was a "spider man", he accidentally saw Qi Jian who was taking a bath and witnessed a robbery and murder case. It happened that he was responsible for co-investigating Qi Jian of this murder case. He naturally pursued the Tianshan Mountains and then began a series of twists and turns.

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