"Dragon Group" Xiao Zhan, a retired war god, in order to protect his wife Su Wan (the orphan of his comrade), he became the Su family's son-in-law incognito, but was disliked by his mother-in-law and brother-in-law. When Su Wan's company was suppressed by "evil forces", Xiao Zhan exposed his identity and mobilized his old department to resolve the crisis. But they discovered that those who suppressed Su Wan were "overseas mercenaries" who wanted to retaliate against Xiao Zhan for his "cross-border strike" operation. In the end, Xiao Zhan destroyed the mercenaries and protected his family.
