Ice cream, 2. Water fights, 3. Things with stripes, 4. Christopher Walken's voice, 5. Rollercoasters. In Every Brilliant Thing, a young boy attempts to ease his mother's depression by creating a list of all the best things in the world. Everything worth living for. Through adulthood, as the list grows, he learns the deep significance it has on his own life. Every Brilliant Thing is a new play about depression and the lengths we will go for those we love.