In 1992, five years after Taiwan lifted martial law, Jiang, a high school student destined for a top medical college, secretly joins the school’s marching band to chase his passion for music. When the band faces closure due to its outdated focus on martial music, Jiang and his fellow members rally together, determined to save it and reclaim its honor in a prestigious competition.

On the day of the 7th-seven, Lin Sang came to Zhiyan's house to condole. In front of the mourning hall, Zhiyan lit the cigarette in his mouth with a match. One afternoon, Zhiyan's father hurried to school. All he saw was his father nodding his head in front of him. Zhiyan, who went home after his father, saw Zhan Chen at the school gate, with his father saying, "Why can't you just like girls?"

Eighteen years after a brutal massacre at the Shen residence, a group of strangers bound by fate are drawn back to Ignore Town by an unseen force, where they must face the haunting truth of their shared past.