Overview
A mysterious virus spreads out. Anyone infected feels the emotion of love, and the emotion amplifies until it kills the person in love. The pessimist Taek-seon, who likes nothing in life, is infected, and the researcher Gyun reaches her out to test her the medicine that he's developing. Soon Gyun finds out Taek-seon has special antibody, but Taek-seon slowly feels love to Gyun. Is this a real love or just a virus?
| Actor | Age then | Age now | |
|---|---|---|---|
 | 45 | 45 | |
 | 57 | 57 | |
 | 43 | 43 | |
 | 42 | 42 | |
 | 71 | 72 | |
 | 54 | 54 | |
 | 55 | 55 | |
 | 38 | 39 | |
 | 48 | 48 | |
 | - | - |