Through a non-linear narrative structure, the film centers on a mysterious, silent late-night phone call received by the male protagonist, tracing back his memories of a long-distance relationship from thirteen years ago. The detail of his past girlfriend weekly insisting on going to the telegraph office to make long-distance calls stands in sharp contrast with the current unknown call across time and space, focusing on the specific impact of communication methods on emotional relationships. Using the telephone as a vehicle, the entire film explores the intertwining of memory and reality, leaving the identity of the caller and the content of the call deliberately unrevealed to preserve a narrative blank 影片通过非线性叙事结构，围绕男主角深夜接到神秘无声电话展开，追溯其十三年前异地恋情回忆。过去女友每周坚持到电报局拨打长途电话的细节与当下未知来电形成时空对照，聚焦通讯手段对情感关系的特殊影响。全片以电话为载体探讨记忆与现实的交织，未明确揭示来电者身份及通话内容，保留叙事留白