On the day of the Chen family's son's engagement, his fiancée, Xu Man, deliberately humiliates his younger sister, Chen You, in front of everyone. She aggressively demands a paternity test and shamelessly asks for an exorbitant bride price. Her outrageous behavior causes an uproar, yet the son continues to indulge and side with her. Heartbroken, his mother, Jiang Wanting, immediately freezes his finances and reclaims the properties registered under her name. The incident sparks a series of misunderstandings within the family. The older brother begins secretly questioning his sister's identity, leading to a public scandal at her birthday party, online smears, and a series of other controversies. Family tensions finally erupt, and the once-harmonious family grows increasingly estranged. Thus begins a story of identity, debts of love, and redemption.