Episodes are centered on an individual who had reached the end of their life in one timeline, and due to circumstances seen by their advocate and judge, is then given 3 days to travel into their past, and without revealing their true identity, convince their younger self to make a different choice at a pivotal point to effect a different outcome for example, by quitting smoking, or choosing a different job and in changing this learn a key lesson to make them become a better person. This way, the series was an anthology of many different arenas and characters.