由一位電玩遊戲直播主，在夜市遭到隨機殺人槍擊殺害，而六個原本活在不同世界的人，因此產生連結。

取材自社会真实事件，结合悬疑惊悚和烧脑元素。,以一起随机杀人事件探讨家庭、职场文化、网路与阶级等社会写实议题。

詹文在成年那天做了一個決定：讓子彈在夜市裡飛。唯一死者是遊戲直播主小盛；Vita接到未婚夫死訊，社畜人生戛然而止；網路盜圖冒名詐騙的太妹琳琳，與記者黴菌在夜市約訪，讓他意外成了制伏兇手的目擊證人；阿興深信摯友不是故意殺人，在兩人創作的漫畫世界裡，只要有把梵天劍，就能斬斷時空，在奈何橋相見。六人命運在夜市交錯，被迫面對各自生命的缺陷與困境。此生莫向修羅墜，鬼畜地獄苦輪迴，但什麼是罪？誰沒有罪？

On his 18th birthday, Jan Wen shoots randomly at the crowds in a night market for unknown reasons. The tragic incident causes a strong impact on the lives of his family and friends, the victims and the witnesses. However, if there was a chance for them to make different choices, would the tragedy still happen? Will it be a different outcome if they all changed their behaviour at the crucial moment?