New guests arrive in West Dean, bringing added tension. While Quant and Thistlethwaite try to put the finishing touches on things, a masked figure emerges from the shadows. Is it a warning, or something far more dangerous?

The long-awaited opening night. The world's most extravagant art lovers gather, ready to turn surrealism into gold. But the evening takes an unexpected turn when Magritte discovers the key to solving the mystery. Or has he overlooked something?