oh mal-soon, a 74-year-old widow, lives with her son and his family. foul-mouthed, stubborn, controlling and shameless, she has a difficult relationship with her depressed daughter-in-law ae-ja, but is very proud of her son hyun-chul, who became a university professor of gerontology, and whom she raised by herself against all odds. one day, ae-ja gets hospitalized after suddenly collapsing. her doctors strongly advise her to live apart from mal-soon. on the day she is told by her son that she is being sent to a nursing home, the dismayed mal-soon wanders the streets and comes across a mysterious photo studio that claims it captures the moments of one's youth. she takes what she believes will be her last self-portrait for her not-so-far-off funeral, but when she comes out of the studio, mal-soon is dumbfounded by her own reflection in the mirror: she's now a fresh, young 20-year-old woman.