After a fall accident in the stairwell of Mingchuan Middle School, Lin Wan lost all her memory. In front of the hospital bed, Zhou Ran, who claimed to be a classmate, described their past in detail, from neighbor to deskmate, but his gentle care could not hide the many doubts.
When Lin Wan tried to touch the hidden past, Chen Mo, a silent classmate, accidentally broke in. The guilt he was hesitating to express overlapped with the "person who pushed her downstairs" in Zhou Ran's words, confusing the memory fragments - the sound of quarreling, the cold light of the stair railing, the blurry pushing figure...
As she explored the mathematics club quota fraud incident, Lin Wan discovered that her amnesia was not the end, but a carefully set starting point. Zhou Ran's gentleness and control, Chen Mo's avoidance and obsession, were like two intersecting beams of light, casting a deeper shadow on her broken memory. She must tear open the cracks between lies and truth to find out what kind of secrets are hidden in that fallen afternoon.
Concept: Memory and self-knowledge