It probably didn't help my enjoyment of this thriller that every time I saw Dustin Hoffman I kept thinking he was Jack Klugman! The intriguing story follows the tale of the recently liberated "Samantha" (Valentina Bellè) who has emerged after some fifteen years of captivity in what she describes as a fairly malevolent labyrinth. It demanded that she complete tasks set by her rather more menacing version of a Rubik's Cube if she is to eat, or sleep - and all of this is now being discussed with "Dr. Green" (Hoffman). Meantime, much to the chagrin of the police, private investigator "Genko"…