Spike, Joe and Matt, are play their usual ballgame when they find a deserted house. The gate is rusty, the grass is overgrown, there is a half-built extension and there is an old Land Rover abandoned in the garden.
The boys are curious and, over time, start to explore the rooms inside. But the more time they spend there, the more mysterious they find it and their exploration of the house eventually leads them into danger. What is the secret of this mystery house? And why did the owners leave it in this way...