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.