Part 5/8:
Unfolding the Mystery
Eventually, Hsiao-chi makes a connection between the key, her father, and the letters A-tai had written. The film delves deeper into the past, showing how A-tai has silently loved Hsiao-chi since childhood. His journey of navigating life at a slower pace combined with his unyielding affection for Hsiao-chi showcases a compelling narrative of unrequited love and missed chances.