JC realised that his hands had clenched into fists at his sides, and he made himself relax. Just looking at the cars and the carts made his flesh creep, but then, that was the idea. To unnerve them, to frighten them, to prepare them for what was coming. Something was playing mind games. JC smiled his widest smile. No-one played those games better than he.

One by one, the car park’s electric lights started to go out. Fading away one after another like so many guttering candles, the lights disappeared. Starting at the outskirts, moving slowly but inexorably inwards, darkness crept across the car park. It closed in on the three ghost finders, cutting them off, until there was nothing left but the dark, surrounding a small circle of light produced by Melody’s instruments. Her panels blinked and flickered, stubbornly holding out against a malign outside influence. The only other light now was the harsh blue-white glare of the full moon. What used to be called, in the old days, a hunter’s moon.

“All right,” said Happy. “This is not good. Officially, and very definitely, not good. Melody?”

“Don’t look at me,” she said immediately. “It’s all I can do to keep my tech operating. There’s so much power out there, in the night, in the dark—power off the scale. It’s like we’re in the eye of the hurricane, and I can’t guarantee how long that’s going to last.”

“Wonderful,” said Happy, bitterly. “Don’t suppose there’s any chance this supermarket was built over an old Indian burial ground, like in that movie?”

“In south-west England?” said Melody. “Roman burial site, maybe. But the one thing my instruments agree on is that we’re facing something much older than that. What was here, before the Romans? History never was my strong point.”