He Feng, an ex-cop with late-stage cancer, and Yue Xin, a dispirited widow, use their newfound ability to see into the past and future to solve cases as they vie for the PI agency. Qiu, head of an American gang, tasks Hanzo to steal their powers, drawing the duo into a deadly conspiracy that threatens to tear them apart and get them killed after having braved countless trials.

前警员癌末男詹禾风（陈泂江饰）与颓废失婚女顾月心（蔡琦慧饰）在偶然下获得神秘力量，他俩为了继承遗产，利用看见过往与预见未来的能力合伙经营侦探社。由裘先生为首的美国黑帮势力追踪神秘力量多年，得知力量下落后，委派Hanzo抢夺，令禾风与月心无辜卷入夺命阴谋。月心与禾风经历成长后被迫面对生死离别......