Screenwriters call it the "inciting incident." It's that first moment in every movie where things change, and the story begins. Now let us show you the most subtle inciting incident of all time.
This is a painting about an apostle and his muse. But the devil hides in the details. Look closer and you'll see this masterpiece changing right before your eyes.
Sometimes we find moments when there isn't one. Leonardo da Vinci would know. For hundreds of years, we've been scavenging his famous fresco for secrets.