During a graduation trip, Song Yali and her best friend Song Shike transmigrate into a novel set in a bygone era.
As luck would have it, they become a pair of rich family's daughters, one fake and one real. One is the spoiled, willful fake heiress who grew up pampered, while the other is the sharp-tongued, scheming real heiress from a poor family.
The day they arrive happens to be the day their new parents' intended marriage match comes to make trouble.
The young heir of a mining tycoon's family looks down on them as he picks and chooses between the sisters.
"Shike is the one I'm supposed to get engaged to. Your biological daughter is crude and petty, completely unfit to be seen in public. Don't think you can foist such a piece of trash on me!"
Song Yali looks at her best friend. "Didn't you tie up your dog? Why'd you let it out to bite people?"
Song Shike gives a coquettish little laugh. "You're so mean, Sis. I wouldn't take a guy like that even if he came crawling to me."
The young heir is left dumbfounded as the sisters walk away arm in arm.
Who says fake and real heiresses have to compete, fight, and battle over a man? Their new parents are wealthy. Can't they afford to support two young women?
The two best friends hit it off at once and begin living a happy life of lying flat.
Big Sis doesn't know designer brands? No problem, Little Sis will take you shopping!
Little Sis gets mocked for her poor foreign-language skills while traveling abroad? Is her top-student big sister just for show?
Someone says the family has no sons and will eventually lose its inheritance? Who says daughters can't inherit the family business?
The sisters team up to take on the weird relatives, scheming villains, and business rivals. All of them, back off!
They thought their carefree, comfortable life could go on forever, but unexpectedly, both sisters' love lives take off.
The scummy younger uncle adjusts his gold-rimmed glasses and gives Song Yali a faintly amused look. "Our families have to honor their engagement. Why not just marry me?"
The scummy maternal uncle pins Song Shike against the wall, his face cold. "You got what you wanted and ran off. Don't you think you owe me an explanation?"
For the first time, the sisters realize that even sticking together can't solve everything. What should they do?
Song Yali grits her teeth. "If there's an engagement, I'll marry him. It's not like I'll lose out!"
Song Shike stomps her foot. "There's already a baby. How am I supposed to run away now?"
Fine, then. The one meant to marry the younger uncle will marry him, and the one who needs to take responsibility will do so. They'll follow the plot and become a loving family with their scummy men!
Theme: When sisters stand united, their strength can cut through gold.