The story tells about Ice Preechaya, playing as a shopaholic or a shopper girl. When she was about to leave the mall, she saw a promo outside saying "Purchase at least 500 baht and enjoy first 2 hours of parking for free". Because of her eagerness to not be able to pay for the parking fee, she went inside the mall again to purchase 500 baht to avail the promo. But things did not go well as she likely to.
Watch it and you'll learn a good lesson.