贾即将离开与男朋友住了几年的公寓。她陷入忧郁，在过去的回忆中无法自拔。她又面临着过去的某个时刻，某个改变了一切的时刻。

Jia is about to leave the apartment she has been living in with her boyfriend for several years. Overwhelmed by melancholia, haunted by her memories, she faces the resurgence of the moment that made everything tilt.