In the 1980s, Lin Sui returns through rebirth, decisively cutting off her engagement with the selfish fiancé Gu Changming and recovering her debts. She travels far to the Northwest to study agricultural machinery technology, working hard to grow into a technician. Gu Changming, Su Ya, and Wang Fulai misappropriate her technological achievements to bluff and swindle. Relying on her solid knowledge, Lin Sui publicly exposes the impostor scam, clears the grievances suffered by her elders, successfully develops user-friendly irrigation equipment, and walks out on a self-reliant and hardworking path of her own.