"As summer draws to a close, a series of mysterious fires strike farm buildings across Tackleford, but the town's young investigators are in disarray. Lottie and Mildred are busy drawing terrible husbands for each other, Linton and Sonny have lost their lust for life ... and could all this have anything to do with Jack and Shauna staring into each other's eyes all the time? Disgraceful. There are more questions to answer, too... who is Colm, and why...