A group of humans arrive on Sirius 6-B to investigate an SOS signal sent out from the planet, which has been supposedly deserted since the destruction of the man-made weapons known as "screamers." Once the squad arrives, they find a group of human survivors eking out an existence in an old military outpost.

When Nick gets amnesia, it's up to Sandy and Buddy the reindeer to save him and Christmas.

Elizabeth Thatcher, a cultured young teacher in 1910, fears leaving her comfortable world in the city. But when she accepts a teaching position in a frontier town, she finds new purpose and love with a handsome Royal Canadian Mountie.