‘Words on Bathroom Walls’ draws up a compelling and empathetic story

“Words on Bathroom Walls” – Adam (Charlie Plummer) is halfway through his high school senior year, so graduation is close. Whoo-hoo! He should have the world at his feet, but a one-two-punch – emerging from a massive, unpredictable jungle, otherwise known as life – delivers a couple of near-crippling blows. First, his dad – with little warning or on-screen fanfare – leaves Adam and his mom Beth (Molly Parker).  Since Adam is taking the news better than his mother, he finds the space to prepare meals for their suddenly smaller…