Liam Lane is reborn in 1978. Past life memories of Sister-in-law Mara's schemes and an unhappy arranged marriage are vivid. Awakens Super Agricultural System. Confronts Mara, tears up arranged Engagement Agreement. Rescues Serena Su; they become a married couple. Using the system, grows crops, starts business, accumulates wealth. Thwarts villains. Liam shares techniques, leading village out of poverty. Becomes a tycoon, protects family, and finds happiness with Serena Su.