Rena had prepared a portable demonstration using a cardboard panel with three doors and a small hand puppet. She had practiced with Nisha the previous afternoon. Any person could perform the cue sequence after ten minutes of instruction. Mara had worried the demonstration would look childish. Rena argued that was exactly the point: the illusion did not require a gifted animal, only an audience paying attention to the wrong hand.

Inside, the lights dimmed. Victor welcomed the crowd with a speech about uncertainty and the comfort animals brought to human lives. His voice softened when he spoke of grief. He asked everyone to close their eyes and think of a decision that had haunted them. Around Mara, heads lowered. She saw Helen Gage press her daughter’s hand.

A black greyhound appeared on the stage for less than a minute. It was not one of the seven. Mara knew because its muzzle lacked the silver hairs that distinguished Ledger and because it moved with unfamiliar caution around the platform. Victor called the animal a visitor from the same training program and claimed tonight’s performance would involve a conversation conducted from behind the curtain to keep the dogs calm.

Mara watched a stagehand lead the animal away. An image of a greyhound standing before three doors appeared on the screen. When the first participant read a question about relocating after retirement, the image showed a dog choosing the middle door. Victor translated this into a message about trusting the life that waited beyond a familiar threshold.

The participant nodded, visibly moved. A second person asked whether he should retire from a job he no longer enjoyed. The dog on the screen approached another door. Victor’s response was warm, eloquent, and broad enough to fit almost any difficult choice. Mara understood why people wanted to believe him. He made uncertainty sound temporarily manageable.

At the intermission, Nisha approached Helen Gage. This time she did not begin with an accusation. She asked whether Helen would be interested in seeing how trained cues worked with a small demonstration at the rescue group’s booth. Helen hesitated before agreeing, but her daughter encouraged her. A handful of others followed, curious rather than hostile.

Rena placed the cardboard panel on a table. She showed them how a small gesture beneath the table made the puppet choose a particular door. Then she let Helen hold the puppet while Nisha supplied the gestures. Each time, the supposed answer followed the hidden instruction. Rena changed the order, invited Helen’s daughter to operate the cues, and repeated the exercise until everyone understood.

“But your puppet isn’t a dog,” one man objected.

“No,” Rena said. “A dog is smarter than my puppet. It can learn the cues perfectly, which makes the trick even more persuasive. But the intelligence belongs to the animal’s ability to obey, not its ability to understand a stranger’s life.”