High school student Lin Yi failed an exam and was scolded by his parents. While playing a game, he encountered an anomaly and discovered that his in-game kills could raise his test scores. He soon became addicted, neglected his studies, and drifted apart from his friend. Relying on ths shortcut, he kept getting good grades, yet suffered from tinnitus, trapping him in a recurring nightmare. Years later, another boy moved in and faced the same tempting trap...