Neil Simon’s Pulitzer-winning 1991 comedy-drama, set in the 1940s, revolves around two precocious teenage boys whose father sends them to live with his battle-ax mother and neurotic, bitter, or impaired siblings while he takes a traveling sales job. Though director Catherine Davis and her able cast deliver Simon’s trademark quips and shtick with great timing and punch, they don’t rely on them too heavily–the usual mistake with Simon. Instead they plumb the play’s depths to expose each character’s wisdom, pain, and vulnerability. Particularly affecting are Whitney Hayes as the loopy aunt who has a woman’s longings and a child’s mind (the result of scarlet fever) and Kathleen Ruhl as the grandmother, whose steely facade armors her against suffering that would topple the average soul. As a result of this groundwork, it’s heartrending when the family’s trials give way to a glimmer of hope. Through 5/29: Fri-Sat 8 PM, Sun 3 PM. No show Sat 4/23. Attic Playhouse, 410 Sheridan, Highwood, 847-433-2660. $16 in advance; $18 at the door.