The film is mainly about the retired king of special forces, who suffers from post-traumatic stress disorder (PTSD) due to the sacrifice of his comrade-in-arms. In order to take care of his mother, he comes to live in a small border town, but is accidentally involved in a cross-border drug crime case. In the end, the scruffy uncle sets foot on a thrilling rescue trip to save little Loli.

電影主要講述了退役特種兵王，因戰友犧牲而身患上創傷後應激障礙(PTSD)，為了照顧戰友母親，來到邊境小城生活，卻意外被捲入一起跨境毒品犯罪案件中，最終邋遢大叔為救小蘿莉花兒踏上一場喋血叢林，驚險萬分的營救之旅。