To raise money for his seriously ill mother’s medical expenses, Chen Shen reluctantly married into the Zhao family as their live-in son-in-law. Over the next five years, he repeatedly risked his life diving into the deep sea. Not only did he save his father-in-law, but he also salvaged a treasure worth 50 million. However, the Zhao family turned against him, broke their agreement, and threw him out. They even revoked his diving license, leaving him unable to earn a living. With nowhere else to turn, he accepted a dangerous deep-sea salvage job that no one else dared to undertake. Relying on his exceptional skills, he overcame one crisis after another and made a name for himself. Facing the Zhao family's repeated schemes and attempts to frame him, Chen Shen carefully planned his moves and fought back head-on, using his abilities to expose every lie, stage a complete comeback, and make those who betrayed his kindness pay the price.