After her brother is killed in a miscarriage of justice, aspiring inventor Claudette 'CJ' Walker uses her scientific mind to create two time machines, one for her, and the other for her friend Sebastian. As they use the machines to try and alter the day CJ's brother died, they come to learn the ultimatum of time travel: All Actions Have Consequences. 昨日再现(简评,See You Yesterday)。你可以逆天,但现实无解。 一对黑人兄妹相依为命,哥哥却被白人警察误杀,你猜猜她会怎么办?对抗强权为黑人群体发声?并不,妹妹居然造了一架时光机器,回到过去好让自己的哥哥免于枪杀!