
Mrs. Lancaster, a famously wealthy matriarch in Weicheng who made her fortune in real estate, has only one grandson, Ethan Lancaster. One day, Ethan suddenly tells her he has fallen in love with Clarissa Morgan, a tenant in a property owned by their Lancaster Group. To vet her grandson's future wife, Mrs. Lancaster disguises herself as a cleaner and goes to her prospective granddaughter-in-law's home to test her character. Unexpectedly, she is framed as a thief by the supposedly innocent and kind Clarissa Morgan.