Rocco -

Rocco wiped his hands on a rag that was more oil than cloth. He didn’t look at the car. He looked at the driver. "A sound like a heartbeat, or a sound like a secret?"

Rocco leaned over the hood, closing his eyes. He didn’t plug in a scanner. He just listened. He heard the rain on the corrugated roof, the distant hiss of traffic, and then—underneath the sterile hum of the battery—a tiny, rhythmic clink . Rocco wiped his hands on a rag that was more oil than cloth

The young man blinked. "It’s a... high-pitched whine. The dealership said the computer shows zero errors." the distant hiss of traffic