"Now you're listening."
The technicians ran another test.
This time they placed the combine on a section of compacted ground.
The engine ran longer.
No major warnings appeared.
They moved it another twenty feet.
The problem returned.
Lucas looked at the screen.
"That's impossible."
Walter smiled.
"Machines aren't impossible."
"What?"
"They're honest."
Lucas stared at him.
Walter continued.
"They do exactly what the conditions allow them to do. People are the ones who misunderstand."
Ethan remembered his father's words.
Machines talked to people who listened.
He finally understood.
The problem wasn't simply the combine.
The problem was the relationship between the machine and the land.
But there was still another question.
Why had the problem appeared now?
The field had been farmed for years.
Walter had an answer.
"Your new combine is heavier."
Ethan looked at him.
"Much heavier."
"And more precise."
"Meaning?"
"Your old machine could cross the weak soil without triggering anything serious. This one measures everything."
Lucas nodded slowly.
"The onboard systems are designed to protect the machine."
Walter pointed at the combine.
"Exactly."
The machine wasn't refusing to work because it was defective.
It was protecting itself.
The sensors were detecting conditions that had never mattered enough for the old equipment to report.
That was why the diagnostics looked chaotic.
The computer wasn't identifying one broken component.
It was reacting to a chain reaction.
Uneven traction.
Hydraulic load.
Wheel slip.
Frame movement.
Pressure changes.
Communication errors.
Seventeen warnings.
One physical cause.
The dirt beneath it.
Ethan felt both relieved and frustrated.
"Can we fix it?"
Walter looked toward the sky.
"Maybe."
"Maybe?"
"First, we have to understand the drainage system."
They contacted the county records office.
Old maps were found.
A drainage network had been installed nearly seventy years earlier.
The original plans showed several lines running underneath Mercer Farms.
But the maps were incomplete.
One line crossed directly beneath the western wheat field.
Walter studied the old document.
"There's your problem."
"What?"
"The line ends here."
Ethan looked.
The drainage pipe appeared to terminate near the boundary of the field.
"That's strange."
"No."
Walter shook his head.
"It's worse than strange."
He pointed to another section of the map.
"The pipe was supposed to continue."
"But it doesn't."
"Because someone changed the plan."
Ethan felt uneasy.
"Why?"
Walter folded the map.
"That's what your father was trying to figure out before he died."
Ethan stared at him.
"My father?"
Walter nodded.
"He called me last winter."
"Why didn't you tell me?"
"Because he asked me not to."
Ethan's voice became quiet.
"What did he say?"
Walter looked toward the field.
"He said he thought something underground was changing."
"What kind of change?"
"Water."
A gust of wind swept across the wheat.
The first drops of rain began to fall.
Everyone looked west.
The storm had arrived earlier than expected.
Walter folded the map carefully.
"We need to move fast."
Ethan looked at the combine.
"Can we harvest?"
Walter shook his head.
"Not yet."
"Why?"
"Because if I'm right, moving that machine across this field could make the problem much worse."
The rain lasted nearly an hour.
It wasn't heavy enough to flood the field, but it was enough to expose every weakness beneath the surface.
Water gathered in places that had looked perfectly dry that morning.
Ethan stood beneath the barn roof watching puddles form.
Walter stood beside him.
Blake and Lucas were inside the workshop reviewing diagnostic data.
"Your father worried about this," Walter said.
Ethan looked at him.
"You keep saying that."
"Because it's true."
"What exactly did he know?"
Walter was silent for several seconds.
"Your father believed the old drainage network had been altered."
"By whom?"
"I don't know."
"Then why didn't he investigate?"
"He did."
Ethan's expression changed.
"What happened?"
Walter sighed.
"He found an abandoned pump station on the northern boundary."