The Ghost-Grey Bat

A college professor and his partner trade their New York apartment with an Austrian couple for one year so he can write his book without distractions. When the two Americans settle into the Austrian house, they soon meet the frightening protector who watches over the property and uncover its horrifying hidden truth.

After swapping homes with a couple from Austria for a year in order for the college professor to finish his book in peace, the two young New Yorkers move into the home. Before long encounter the terrifying guardian of the Austrian home and discover its gruesome secret.

Alec and Moira Grant seize an opportunity to trade their Manhattan apartment for a remote Austrian chalet for a summer. The gingerbread house–like cabin turns out to have everything they dreamed of, including a grandmotherly housekeeper, Frau Zauber. But a huge grey bat appears nightly in their bedroom, and it bears an uncanny resemblance to the kindly Frau.