Lindsay gets suspicious when Rebecca seems to be secretly awaiting an important letter and realizes just how much she was right when the letter finally arrives Ellenor gets a hysterical call from a client, who ran over a man in the street while drunk, and is shocked to discover exactly who he hit Hellen prosecutes two boys accused of rape and murder, each accusing the other, and ends up making a deal with the wrong one
该剧改编自LINE WEBTOON台湾作者Pony的同名漫画故事围绕活了万年的琪琪以交易时间延续生命而见证无数人为欲望付出各种代价女雕刻师用禁术复制前男友并囚禁；宇航员出任务遇难与外星生物小白透过漫画交流并找到重返地球的希望；流浪汉启汉与面具人交易他的未来最终困在无限循环的今天最终琪琪使用神秘黑盒子让身患绝症的女儿生命可停留在最幸福的瞬间
