In A Letter From Mars (2003), Seung-jae has been writing letters to So-hee, pretending to be her father who is living on Mars. These letters serve as a source of comfort and connection for So-hee, but unbeknownst to her, they are actually written by Seung-jae. One day, So-hee decides to leave her hometown and move to a big city.
As they grow up, Seung-jae becomes a postman, still faithfully writing letters to So-hee's grandma, the letters that never came from So-hee herself. These letters continue to spark hope in So-hee's heart, especially during times of hardship in her life. However, the challenges she faces slowly harden her heart, making her distant and cold.
After years of living in the city, So-hee finally returns to her hometown. Seung-jae, now a mature adult, is overjoyed to see her again. His heart swells with love and longing, having preserved his innocent feelings for her all these years.
The story unfolds as Seung-jae and So-hee navigate their complicated emotions, rekindling their connection and realizing the depth of their feelings for each other. The movie explores themes of love, regret, and the power of heartfelt communication, as the characters strive to find happiness and healing in their lives.
A Letter From Mars is a poignant and heartwarming film that delves into the complexities of human emotions and the enduring power of love, even in the face of distance and adversity.