After 300 years of slumber, three sister witches are accidentally resurrected in Salem on Halloween night, and it is up to three kids and their newfound feline friend to put an end to the witches' reign of terror once and for all.
Following a bomb scare in the 1960s that locked the Webers into their bomb shelter for 35 years, Adam now ventures forth into Los Angeles to obtain food and supplies for his family, and a non-mutant wife for himself.