The Last Exhibit by yaxxsu

The Museum of Fine Arts smelled like dust and old money

– the very two things detective Marсh had learned to distrust equally. She stood in Gallery Seven, hands in the pockets of her wool coat, staring at the empty wall where "The Amber Portrait" had hung for 63 years. Now there was only a pale rectangle, clean against the yellowish plaster, like a scar where something beloved had been removed.

"Stolen sometime between 10:45 and midnight," said officer Daves, reading from his notepad. "Curator found it missing when he came in this morning."

March crouched near the base of the wall. The alarm panel beside the door had been bypassed – not forced, bypassed – which meant it was done by someone with either the code or enough technical patience to find it. The single security camera covering the gallery entrance showed a loop of empty hallway for a73-minute stretch. Clean work. Expensive work.

The detective had three people who'd been inside the museum after closing. Three people whose stories didn't quite line up.

First person, Felix Ardmore, the curator, was a compact man in his sixties who moved like he was perpetually late for something. He claimed he'd left at 10:30, verified by the front door log. But the log was digital, and the IT system had been rebooted at 11:02 – an anomaly nobody had an explanation for.

"I've dedicated twenty years to this collection," Felix told the detective, smoothing his lapel with a hand that trembled just slightly. "Why would I steal what I already consider mine?"

March noted the phrasing: what I already consider mine. She said nothing and moved on.

The second person, Priya Voss was the museum's head of security – a former military contractor with close-cropped hair and the kind of stillness that made people uncomfortable. She'd stayed late to review the new wing's camera layout, she said, and left at 11:15. She had a key card swipe to prove it. What she didn't have, however, was an explanation for the second key card swipe: her card and her code logged at the loading dock at 11:45.

"The system glitches. I've submitted three maintenance requests." Priya met the detective's eyes without flinching. "Check the email chain."

March did check. The emails existed. They were timestamped over the past month. They could also have been written last week and backdated – something Priya, with her technical background, would know how to do.

And finally, the third person – Marco Dutille was the problem detective March hadn't expected. He was a freelance art appraiser, brought in three days earlier to assess insurance values for the new acquisitions. Young, fashionable, with a practiced air of disinterest. He claimed he'd returned to the museum at 10:50 to retrieve a portfolio he'd forgotten. And nobody let him in. Nobody had to, in fact. The side door – the one propped open with a rubber wedge that the cleaning staff used and consistently forgot to report – had been found ajar that morning.

"I got the portfolio and left," Marco said, shrugging with both hands spread open. "Fifteen minutes, maybe less."

"Did you see anyone?"

A pause. A fraction too long. "No."

Detective March walked the museum again that evening, alone, when the last staff member had gone. The October dark pressed against the skylights, while her footsteps echoed in a quiet melody against the floor. She moved through Gallery Six, then Seven, then the long corridor that connected to the restoration lab, and then she stopped. There was a smell here: linseed oil and turpentine, faint but present. The restoration lab was three doors down, so detective March pushed the door open.

The room was dark and clean. Tools arranged with obsessive precision along the workbench. But on the far drying rack, among stretched canvases awaiting treatment, a frame leaned face-in. The wrong size for everything around it.

She turned it over.

"The Amber Portrait" looked back at her – the subject's painted gaze eerily calm, as though it had simply been waiting.

The arrest came the following morning.

It was Felix Ardmore, in the end – though not for the reasons detective March had initially suspected. He hadn't meant to sell the painting, instead he'd moved it to protect it. The museum's board had quietly approved a loan to a private collector in Geneva, a transaction that would have sent "The Amber Portrait" abroad indefinitely, maybe permanently. Felix had the letters. He'd found out two days before the theft, so he'd hidden the painting inside the museum's own walls, intending to force a delay, buy time, expose the transaction.

What he hadn't counted on was Priya noticing the missing canvas during a routine inventory scan at midnight – and quietly logging nothing, because she was already aware of the board's arrangement and unsure whose side she was on. And Marco, who had genuinely forgotten his portfolio and genuinely seen nothing, but whose presence had made everyone's timeline harder to parse.

Three people with things to hide. Only one with a crime to answer for.

March stood on the museum's front steps in the grey morning, watching Felix Ardmore fold himself into the back of a police car. He didn't look like a thief, but like a man who had loved something so fiercely, he'd been willing to break the law to keep it from disappearing.

She understood that, in a way.

The detective buttoned her coat against the cold and walked back inside. "The Amber Portrait" had already been returned to Gallery Seven, and the pale rectangle on the wall was finally gone. The painting watched the empty room with its same unhurried calm, as if the whole ordeal had been a minor inconvenience – nothing more than a brief interruption in a very long life.