机缘巧合之下，莎拉（玛格特·罗比 饰）和大卫（科林·法瑞尔 饰）两个陌生人穿过时空之门，踏上了一场大胆、绚烂，充满未知的冒险之旅。他们回到过去，重历了各自生命中至关重要的时刻，也见证了对方命运的转折点，而他们之间的关系，又是否会因此改写？
The plot of the show revolves around Abby, who, upon discovering her high school crush’s preferred coital position, seeks to familiarize herself with it with the assistance of a local stripper. However, as Abby grapples with the idea of advancing their relationship, she realizes that the journey has granted her much more: a newfound sense of self and a lasting friendship.
一颗巨型小行星威胁说，在旨在阻止撞击的军事协议失败后，它有可能摧毁地球。
