at first not knowing what to do, she hides from her family and soon ends up lodging with her fellow café shop worker who used to be a servant of her family. with no one recognizing her, mal-soon decides to make the most out of this once-in-a-lifetime opportunity. she renames herself oh doo-ri after her all-time favorite actress audrey hepburn, gets a haircut similar to hepburn's in "roman holiday", and takes advantage of her youth. as the "suspicious girl" of the korean title, all anyone sees is that doo-ri speaks with a regional accent and walks like an old lady, and that she acts very strangely and motherly for her age. after wowing a group of pensioners with a stirring karaoke tune one day, she attracts the notice of her unknowing grandson ji-ha, a 4th year in university, and han seung-woo, a tv music producer. ji-ha invites her to join his heavy metal band, and after she convinces them to switch to more audience-pleasing melodies.