Quantum portrays a day in South Africa through the lives of a diverse cast of characters: a recovering addict, an estranged daughter, a single mother, an uninspired filmmaker, orphans and a thug. Though living separate lives, they are intricately connected in unexpected ways.

Vincent “Vince” Mafila, a gardener is his late 50s, He buried his dreams and settled for a quiet life. Vince firmly believes that being a “good” person equates getting all good things in life. That belief is proven wrong when he is diagnosed with cancer and probably has a month to live. Now he is haunted by his past and trapped by regrets for not living his truth. Each week he consults a therapist to help him face his sudden reality. Instead of opening up he chooses to sleep for the entire session and dream of what his life could have been.