Jane is trapped in an unknown world with endless possibilities. She has to discover a way to access them and alter her reality before she is destined to repeat the same test over and over again, Ad Infinitum.

新晋总警司伊丽莎白·班克罗夫特警探负责领导新合并成立的结合警务部分，在同僚崇拜中取得极低犯法率并仕途高涨。然而她也为此支出沉重代价，爱子乔两年前离家中断联至今，与地头蛇达阿尼什·卡马拉的君子和谈更是面临暴光风险。　　一桩两重谋杀再度搅乱班克罗夫特的私人和职业生存，迫使她面临一位使人毛骨悚然的新对手。八面受敌之际，其过往…