70 years old granny gets Korean lessons from her granddaughter? Granny Oh Nan-i starts living with her seven-year-old granddaughter after having lost her son in a sudden accident. Not having known how to read a single word, 70 years old granny starts learning the Korean letters to read her son's final letter. Granddaugher Dong-i decides to help her but even she herself hasn't mastered the language and runs into a limit. Finally, Granny decides to join the first grade class of the town school. Will granny be able to learn the language and read her son's letter? school. Will granny be able to learn the language and read her son's letter?