Oh Hyeri is an ordinary girl who lives her life to the fullest--getting average grades, attending the library staff, and hanging out occasionally with her two best friends.

One day, when she arrives home, she meets these 6 handsome people, who claim they are aliens!

Is Hyeri prepared to continue her normal lifestyle when these 6 stunning aliens invade her life?

And will they ever be able to get along together under the same roof?