Tiny Hero Against the Fake

A series of misunderstandings drive a couple into marriage and then tear them apart. The CEO finds himself constantly hounded, while an imposter steps into the woman's shoes. But the sharp - witted child doesn't fall for the ruse. Determined to set things right, the little detective decides, "Mommy, I'll help you win Daddy back," ready to expose the fake and mend the broken family bonds.