Paula doesn't come home. Sven and his daughter Charlie wait for her at the gate, but her plane has vanished. While Sven tries to protect his daughter from the terrible events, he clutches at every straw he is offered. Suddenly, it seems like he is onto something; Paula left him a clue, a trail of breadcrumbs for Sven to follow. But the further down the trail he goes, the more his life falls apart, the bigger the mystery grows and the greater the threat for him, Charlie... and even the entire world. Paula was no average person. She was on the ISS. And there, in the darkness of space, she discovered something. Or didn't she?