Nine-year-old Caleb Whitman was running late for school again. His sneakers slapped the pavement as he cut across the Riverside Plaza parking lot, hoping to shave off a few minutes. His teacher, Mr. Lawson, had warned him the day before that another tardy slip meant a call home, and Caleb dreaded disappointing his parents once more.

But halfway across the lot, something made him stop short. In a dark blue hatchback, parked directly under the sun, a small baby sat strapped in a car seat. The child’s cheeks were crimson, his mouth opening and closing in desperate cries that barely carried through the sealed glass. Droplets of sweat clung to his temples.

Caleb pressed his face to the window, knocking with his knuckles. No adult appeared. He tugged at the handles on each door, one after another, but every lock held firm. His pulse quickened as the infant’s wails weakened into short, raspy sounds.

The plaza was strangely quiet. A few shopping carts rolled in the breeze, but no shoppers were near. School was just three blocks away, yet the thought of abandoning the baby gnawed at Caleb’s stomach. He understood enough to know that waiting could be fatal.

On the edge of the sidewalk, he spotted a loose chunk of concrete. His hands trembled as he lifted it, whispering, “I’m sorry,” as though apologizing to the car itself. With all the strength his small arms could muster, he hurled it at the side window. The first strike only cracked it, but two more blows finally splintered the glass into shards.

Reaching carefully inside, Caleb unbuckled the sticky straps and lifted the infant out. The baby’s body was limp and clammy against his chest. Caleb rocked gently, murmuring, “It’s all right. You’re okay now.”

Just then, a startled voice rang out behind him. “What are you doing to my car?”

Caleb spun around. A woman rushed toward them, dropping two paper bags that split open across the asphalt. For a moment she looked furious at the broken window and the boy clutching her child. Then realization struck. Her anger dissolved into horror as she scooped the baby close, showering his damp face with frantic kisses. Tears filled her eyes as she whispered, “You saved him. I thought I’d only be a few minutes. I can’t believe what I’ve done. Thank you, thank you.”

Caleb didn’t know how to answer. In the distance, the school bell chimed, reminding him he was late yet again. He turned and sprinted the rest of the way, hands nicked from the glass, heart pounding with adrenaline.

When he burst into his classroom, Mr. Lawson’s stern gaze met him. “Caleb Whitman,” the teacher said, his voice sharp, “late again.”

All eyes in the room landed on him. Caleb opened his mouth to explain, then hesitated. The story sounded impossible. Who would believe he had smashed open a car to save a baby? He lowered his head. “I’m sorry, sir.”

“That’s not good enough,” Mr. Lawson replied. “This afternoon, I’ll be calling your parents. You need to learn responsibility.”