Park Jae Won's first day of vacation starts with a spontaneous singalong in a sunlit van and ends with fireworks and Yoon Seon Ah by his side.

The story of Sung Un Department Store's team who works for VIP clients which constitute the top 3% of their customers. One day after a receiving a text message of her husband's infidelity from an anonymous source, Na Jeong-seon begins to suspect her husband and her colleagues of having an affair. In her quest to discover the truth, she ends up revealing more than one secret that her colleagues are hiding.

Our heroine will have the unfortunate ability to see the “life clocks” of everyone around her, including herself, and the hero will somehow be able to stop her “time” without lifting a finger. This story will follow time that is stopped, extended, and even erased through the love they have for each other.