“He begged us to. Wanted the lights to respond to every step. Peter said we could try it when we had time.”

“Did you?”

“We never did. Not officially.”

The garage fell silent except for the cooling fan.

Mara looked again at the USB. She had expected a recording of a terrible mistake or an old confession. Instead it displayed a practical truth: the mechanism had responded to a fifth control it had never been designed to accept.

Evelyn covered her mouth. She shook her head once, not in denial but in anger at the number of years she’d spent blaming the wrong cause.

“That’s why Julian wants the floor,” she said.

“Because he knows about input five?”

“Because if he can make the floor move exactly as it did that night, he can sell it as a spectacular finale. He was obsessed with that pattern. He called it the storm.”

Mara considered the apparently random spikes. “It’s not a wave.”

“No.”

“It looks like the panels are making a shape.”

She rotated the virtual floor on the screen, then overlaid the red input markers. The conflict formed a branching spiral that became visible only when every frame was shown at once.

Evelyn stared at it, whispering a name Mara hadn’t heard in years.

“The Glass Garden.”

***

The Glass Garden had been Evelyn’s unfinished masterpiece. Mara remembered a pencil sketch from her childhood: an immense flower that opened under the feet of the audience, turning blank wooden panels into a garden of mirrored leaves. The floor would lift in a sequence so graceful that people standing on it felt they were walking across a blooming field.

Peter had rejected it because the old motors couldn’t safely carry the full choreography. The design had been put away before construction.

“Julian found the drawings,” Evelyn said, pulling a cardboard tube from a shelf. “He wanted to build it. I said no.”

“Why?”

“Because people would be standing on moving pieces. We had no independent cutoffs, no proper barriers, no room to test. Children would run across it without understanding the gaps.”

“Then Julian added the lighting connection.”

“Maybe. We need to know, not imagine.”

Mara scrolled through the simulator’s service data. The external commands were short, regular, and arranged in a pattern resembling the opening of twelve enormous petals. The very same petal pattern appeared in Evelyn’s old drawing.

Julian had been a teenager then. He might have been reckless, but the idea of a fourteen-year-old secretly modifying a show controller seemed almost absurd.

“Could Peter have tried the garden without telling you?” Mara asked.

“Yes. Peter loved the idea as much as I did. But he wouldn’t have tested it with an audience.”