An opera singer finds out her late husband isn't actually dead when he shows up at her apartment. In the heat of the moment, she kills him but his body mysteriously disappears.
A desperate call for help as the residents of Moonbase Alpha are hurled into an interplanetary power struggle. As tensions rise, disaster strikes when a routine mission becomes a nightmare...
The crew of Moonbase Alpha must struggle to survive when a massive explosion throws the Moon from orbit into deep space.
