AI engineer Chi Yu has been engaged to his fiancée for eight years, but after enduring repeated neglect and emotional betrayal, his life reaches its lowest point. By a twist of fate, he forms a pact of mutual assistance with Shang Lin, a powerful business tycoon caught in the turmoil of his family's power struggles and suffering from an old injury. The two enter a marriage in name only. Starting with mutual wariness and cautious testing, they gradually come to understand each other through their time together. As sealed memories slowly resurface, the family conspiracy behind the attack on Shang Lin years ago also begins to come to light. A relationship that began as a partnership must navigate layers of mystery to find sincerity and a place in life that truly belongs to them both.