Ordinary girl Song Siyu begins a secret romance after a chance encounter with Si Jia'ang, the domineering CEO of the Si Group. But their relationship draws her into the Si family's power struggles. She is harassed by his cousin Si Jiawei and faces pressure to enter a marriage alliance, along with a wave of rumors. After weathering all kinds of difficulties, Song Siyu and Si Jia'ang calmly find a way through. He resolutely rejects the arranged marriage and chooses to stand by her side. As they navigate love and family power plays, they support each other and grow together. With their secret romance exposed and the family conflict escalating, they face the ultimate test: can they find their happy ending?