Postcard (2014)

This film centers on a postman whose wife secretly reads people's letters. He's always kept his distance from the contents of the mail he delivers. However, when his wife shares a letter's contents with him, he unexpectedly becomes invested in the lives and feelings of the letter writers. The letters stir him with restlessness, and he begins to feel a sense of responsibility, questioning whether he should intervene. This leads him on a transformative journey.