Jiro falls for Nara despite her endangering his job! Jiro is unfunny and Nara wants a man that can make her laugh... Jiro gets help from Baekdong the laughter teacher to help him overcome his lack of humor! Will the humorless Jiro be able to make the cold and beautiful Nara laugh?

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?