Raised in a remote Arctic cabin by her spook father Eric (Eric Bana) to be a super-survivalist, Hanna (Saoirse Ronan) flips a tracking - device switch and is soon captured by American military men, who take her to a compound where she attempts — but, due to
a doppelganger switcheroo, fails — to kill icy agent Marissa (Cate Blanchett).