In 1891, after the death of her husband, Johanna Bonger, the wife of Vincent van Gogh's brother, Theo, finds herself in possession of all of Vincent's artwork-over 600 pieces. Though she is told to rid herself of the "worthless art," she refuses and passionately takes on the mission to bring Vincent's work to the forefront of the art world. After Mourning - Before van Gogh follows Johanna on her tireless 35-year journey to give the work of van Gogh the attention it deserves.