[Age difference of 10 years + double cleanliness + secret love] In a luxurious and cold wealthy family, the adopted daughter Su Ran has no worries about food and clothing after being adopted, but she has always been unable to find a true sense of belonging. And her brother Qin Mo is a talented lawyer who is famous in the legal world. As they get along day after day, taboo feelings quietly grow. She struggled on the edge of morality and emotion. Her feelings were regarded as unforgivable mistakes. The pressure from the outside world came like a tide. The marriage of a wealthy family pushed her into the abyss little by little. She looked into his indifferent eyes and finally gave up. She left the Qin family on the day of his engagement. When they met again, she pretended not to know him but was cornered by him, "Don't you know? You don't even know your brother?" She was ups and downs in the whirlpool of a wealthy family, and every step was extremely difficult. Misunderstandings, injuries, and separations tortured them again and again.