High school best friends and science prodigies C.J. (Eden DUncan-Smith) and Sebastian (Dante Crichlow) spend every spare minute working on their latest homemade invention: backpacks that enable time travel. But when C.J.'s older brother Calvin (Brian 'Astro' Bradley) dies after an encounter with police officers, the young duo decide to put their unfinished tech to use in a desperate bid to save Calvin. From director Stefon Bristol and producer Spike Lee comes "See You Yesterday", a sci-fi adventure grounded in familial love, cultural divides and the universal urge to change the wrongs of the past.