There's Something About Parma Violets (1970)

Before death, where do we go? That brief thirty-something seconds of clarity hits you harder than you'll ever imagine. Some say it's a flash; some say it's longer. It's a dim, peaceful experience that we can't really comprehend. We know so little, and yet it happens to someone every moment. So whatever you think you see, just remember. There's something about parma violets.