27-year-old fashion designer Soo Jin goes into a convenience store to buy a Coke but accidentally leaves it on the counter. Remembering the Coke, Soo Jin walks back to the store and bumps into a carpenter, Chul Soo, whose goal in life is to become an architect. While surveying a construction site that her father is in charge of, Soo Jin sees the same man and soon falls in love with him.A relationship develops between them but Soo Jin will have to face an undeniable fact.