People tend to do all manner of mad things when a summer heatwave hits in York, teenagers most of all. However, then a growing gang of teen ruffians turns wild summer hijinks into arson, it falls to DCI Darren Mitchell to put a stop to it before someone dies. The problem is, no one seems to believe his theory of conspiracy or the growing threat. It's a race against time for Mitchell to gather the evidence and turn some of these poor lads around before something more than buildings burn!