Episode 1
S1E1
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"A kiss can change everything."
Hong Ye-sul, a competent account executive at an advertising company, has one secret— she can see the future when her lips come into contact with another person. When Ye-sul accidentally kisses her stern team chief Cha Min-hu, she sees the impossible: herself in bed with him some time in the future. To add to her confusion and frustration, her ex-boyfriend Lee Pil-yo is attempting to win back her heart, shaking her life up even more.