There's a superstition in our family about falling...

Marta's great-great-grandfather Jiri was said to have given a gentle push to the back of a stonemason for having wronged him. The stonemason fell to his death and the family fled Prague for the American Midwest, where they set up a new life.

So begins the story of Marta and her brother Nick, deeply interwoven twins haunted by the mysterious curse that has plagued their family for centuries - one that has doomed them to suffer various types of falls. When Nick tumbles out of a window and ends up seriously injured, Marta must embark on a heartbreaking quest to discover whether or not his fall was intentional, and to stop her family from falling apart...