After modern special forces soldier Li Fan sacrifices himself, his soul crosses over into a poor boy in the 1980s. Right after crossing over, his fiancée Lin Ruoshui comes over to publicly break the engagement and humiliate the Li family. Lin Ruoshui's older sister Lin Ruoshi, who has endured endless exploitation from her maternal family, resolutely breaks with her family and marries the down-and-out Li Fan. Li Fan exposes the truth behind the engagement breaking, takes back the betrothal gifts, and props up his dilapidated family. Relying on his skills to go into the mountains to hunt and painstakingly studying scaled-up rabbit farming entrepreneurship, he slaps the faces of toxic relatives and his snobbish former fiancée. He protects his gentle and resilient wife, leading the entire village to get rich through breeding. Harboring the secret of time travel, Li Fan puts down roots in the era with the understanding and companionship of his loved one, reaping a successful career and a fulfilling family.