Sean and his dog Max want to be detectives. Unfortunately, there's not much to investigate in their leafy, laid-back neighbourhood until mom's priceless Crustfire Diamond goes missing. Suddenly, Sean and Max can barely keep up with all the mysteries. Who's hurling painted raspberries through the window? What are those tasty blue nuggets in the garden? And why are whirling spindles digging holes? When Sean and Max connect the dots, they realise they've stumbled upon a shocking conspiracy of intergalactic dimensions. Now, Sean and Max are racing against time to solve the case before evil aliens plunge our world into a fiery inferno and end life on earth as we know it.