Original: 如果我不曾見過太陽
Filmmaker Zhou Pin-yu interviews a serial killer in prison — an encounter that triggers a string of mysterious events tied to a buried past.
A film crew covers the case of an infamous killer for a documentary. Pin-yu starts to have strange visions and encounters in her new house.
A teenage Jen-yao faces a difficult time at home and forms a friendship with a dancer in school. In the present, Pin-yu continues to see the ghostly girl.
While on assignment at Jen-yao's old house, Pin-yu finds a photo connected to her visions. In the past, a teenage Jen-yao gets into an accident.
As Hsiao-tung and Jen-yao grow closer, their bond deepens, sparking jealousy from someone who secretly has feelings for her.
A nasty rumor spreads in school about Hsiao-tung and Jen-yao. As school authorities get involved, a friend takes the fall while tensions grow in class.
Jen-yao leaves home, Hsiao-tung and Yun-chen take a trip together. Yun-chen makes a life-changing choice. In the present, Ta-wei finds a shocking video.
Jen-yao faces the ultimate betrayal when someone close frames him for crimes he did not commit, making him a wanted man.
Wanting to support Jen-yao, Hsiao-tung attempts to get closer to Ouyang Ti. But as the night progresses, the situation takes a dangerous turn.
Seeing her hurt and in pain, Hsiao-tung's mother promises that she will get justice for her. An enraged Jen-yao decides to plot for revenge.
On the rooftop, Hsiao-tung and Jen-yao make a promise to meet in five years. On the streets of Taipei years later, Jen-yao encounters a familiar stranger.
