One incident can lead to another, which is what is happening with Park Shin Hye. She's 22, and is a doctor who has been single all her life, up until now that is. Who knew that bumping into someone at a cafe could change her life. 

Characters

- (you)Park Shin-hye: age 22, nice personality, hates rude people and will say something when insulted or treated rudely, cringes when she sees couples being lovey-dovey in real life but doesn't mind at all when its in a drama, likes kpop,and likes watching kdramas because the characters stories are always different from what her own story will ever be like. 

- Shin Min-ah: age 22, Shin-hye's best friend who always listens to Shin-hye's life problems, a doctor as well, gets annoyed easily, always setting up blind dates for Shin-hye.

- Lee Jong Suk: age 22, another one of Park Shin-hye's best friends, likes to tease Shin-hye about her love-life, is a playboy, and also a doctor.

- Song Joong Ki: age 24, just began working at the same hospital as Shin-hye and her friends 

- Lee Yu-bi: age 21, works at Morning Light Cafe, a friend of Shin-hye's, likes to write for fun, and likes to sing.

- Nam Joo-Hyuk: age 22, Yu-bi's co-worker, bright, likes playing pranks, and Jong-suk's friend.