At a market, a young woman known at school as a laughingstock tries to prove the authenticity of an antique porcelain vase she bought. Despite skepticism from a man and the man's father, who dismiss her as clumsy and accuse her of bringing fakes, she insists the vase is genuine. The father warns his son not to waste time with her, but the son is persuaded by her sharp eye for antiques after she sells him a real old coin. The episode ends with experts confirming the vase’s authenticity, leaving the father stunned and the true value of the vase unresolved.