In a high school theatre class, running through improvisatory exercises, the teacher (David Hyde Pierce) coaches his students as they mill around the room. First, what does your public self look like? Most students throw their arms wide, all performative bigness. Only one student, Minnie (Katherine Mallen Kupferer), takes the opposite posture, curling her body in, taking up less space, not more. Then the teacher prompts the opposite: What does your private self look like? The effect is the...