On August 10th 2017, experienced free lance journalist Kim Wall meets with entrepreneur and inventor Peter Madsen to interview him about his self built submarine the UC3 NAUTILUS as well as his upcoming projects. She’s surprised when he invites her for a tour of his submarine later that evening around 7 p.m. Kim agrees and is last seen alive waving to her partner Ole from the tower of the Nautilus and the events that follow would shock and horrify the world.