A young boy named Luke and his grandmother go on vacation only to discover their hotel is hosting an international witch convention, where the Grand High Witch is unveiling her master plan to turn all children into mice. Will Luke fall victim to the witches' plot before he can stop them?

An honest marshal in a corrupt mining colony on Io, Jupiter's sunless third moon, is determined to confront a violent drug ring even though it may cost him his life. After his wife angrily deserts him, he waits alone for the arrival of killers hired by the company to eliminate him.