Up and coming solo artist Sana has a very unexpected fan who just happens to be the center of Korea's best selling girl group: Twice's Im Nayeon. Nayeon doesn't quite know how to approach the newcomer singer on award shows, but in a sudden moment of bravery (or madness) she offers her a flower and from then on a tentative friendship blooms between the two performers.

A drunken kiss has forever changed Jisoo and Jennie's friendship, but whether it is for the best or worse, time will tell. Jennie kissing Jisoo after a night out in Los Angeles triggers a chain of events. Both girls embark on a roller coaster of ups and downs while their world tour continues and they struggle to understand and come to terms with their feelings for each other.