Both female leads have a long-term relationship with their fiancee/boyfriend yet they don't feel as close / as intimate as before. The female lead starts feeling something is off and doesn't feel the urge to tie the knot, while their long-term boyfriend keeps urging and possessive. You will understand what I mean when you watch it. However, you will feel the intense sparks between the female lead and the male lead even from the very beginning.
Lee Jung-In is a librarian who has been in a 4 year relationship with a banker Kwon Gi-Seok. Yoo Ji-ho is a Pharmacist and single dad who graduated a year behind Kwon Gi-Seok from the same University. After a chance meeting at his pharmacy, Ji-ho and Lee Jung-In start seeing love and relationships in a new light. Lee Jung-In meets Yoo Ji-Ho at the pharmacy when she goes there to remedy her hangover.
