After Pa Rang's death, playwright Hyun must complete the science fiction play she and Pa Rang were collaborating on before his death.

The protagonist has become a psychologist to expose a lie that turned her life into a nightmare. She has worked tirelessly for 15 years to detect a lie by the person she loves most. She believes careful observation and analysis can detect the Pinocchio in anyone. But the fear she must bear is too great for her to face the truth. Will our protagonist escape from the whale's belly to find the lost Pinocchio?

A pure youthful melodrama about one-sided love. Dong Suk who has one-sided feelings towards Hae Rim.