Chien Yu and Chih Pang are best friends, but they face challenges when Chih Pang unexpectedly vanishes on his 16th birthday. Upon Chih Pang’s return, Chien Yu discovers he’s the only one who can see him. Amid these unusual circumstances, the two seize the opportunity to reveal the secrets they’ve been keeping in their hearts, embarking on a journey of self-discovery.

As final exam approach, a shocking “suicide notice” appeared in Enshan high school. It accuses the exam system of crushing students and threatens suicide on the exam day. The school is afraid of triggering more anxiety among students, and worried about its reputation. At the same time, they urgently try to identify the person. As the truth slowly unravels, it turned out to be a scandal in the education system.

After seeing her friend’s disturbing social media posts, Riko tries to intervene to help her but fails to prevent her from dying a mysterious, violent death. Convinced there is more to the story than a suicide, Riko dives into a world of memes, influencers, and posting for attention. As the pile of bodies grows, and Riko faces her own possible curse, she and her friends travel to Taiwan to find the source of this demonic social media killer.