Cheng Ye, a young man from the mountains, is ordered by his master to deliver an old wooden box down the mountain. By a twist of fate, he ends up at the Lin family's martial arts arena, where they are holding a competition to find a son-in-law, and unexpectedly wins. Only then does he learn that his elders arranged his marriage to Lin Yuning, CEO of Haiyue Group, more than twenty years ago. The Cao, Qian, and Gu families launch one attack after another, blocking logistics, stealing core technologies, and laying countless traps. Cheng Ye reveals his extraordinary abilities and joins forces with his fellow disciples to protect the crucial technology. Standing shoulder to shoulder with Lin Yuning, he faces their many adversaries, and the two gradually develop genuine feelings for each other amid their clashes.