The Crystal Prison

After vanquishing the monstrous cat Jupiter, the Deptford Mice flee their city home along with the mysterious ratwitch, Madame Akkikuyu. Together they seek refuge in the countryside with a colony of fieldmice. But as their hosts busily prepare for the great midsummer festival, something evil is stalking the cornfield in the dead of night, and soon an innocent young mouse lies murdered in the moonl...