一个七旬阿嬷因儿子车祸丧生，只得独自担负起照顾七岁孙女的责任。活到七十岁仍一字不识的她，现在却为了看懂儿子生前寄来的最后一封信，而下定决心开始上小学，并敞开心房来接纳与她素不相识的孙女。

　　在邮局工作的贞慧（金智秀 饰）每天都重复着简单平凡的工作，独自居住的她生活也十分宁静惬意，陪伴她的还有一只见拣来的猫。
　　事实上贞慧心中存在阴影，因为小时候她曾被亲人性侵犯过。母亲是她唯一依靠与信任的对象，不幸的是母亲的离世再次给她造成了伤痛。就算那些回忆已渐渐变得模糊，可是每次想起都会使贞慧伤心落泪。
　　贞慧曾有过一次婚姻，但她在蜜月旅行的时候抛下了丈夫独自离开了。而这时候，另一个男人（黄正民 饰）令贞慧的生活泛起了波澜。男人梦想成为作家，把稿件寄到了贞慧所在的邮局。贞慧不久便对他产生了好感……

　　Both critics and audiences have appreciated SHIN Yeon-shick’s films—A Great Actor, Fair Love, The Russian Novel, Rough Play—for his distinctive signature. His new feature The Avian Kind will be part of this year’s Jeonju Digital Project 2014. It is about a writer’s journey to find his missing wife, and this story was also part of his former filmThe Russian Novel. His new film is getting a lot of attention thanks to his unique style of getting the motifs from literature and theatrical plays.