BETWEEN THE WALLS OF SILENCE

Mr.Chris ,a well known inventor, invents a machine and shows it in a museum . Vladimir wants to steal it but an incredible surprise happens that doesn't enable him to do so .Brenda , Vladimir's sister and Chris's wife , accuses her brother of stealing but the brother denies it.Brenda looks for clues that her brother is a wanted thief and calls for support from Mr. Chris and he agrees even though he is worried about her.
What happens to Mr Chris that makes him so worried ? What prevents Vladimir from stealing even though he needs the money? Will Brenda catch the thief who can be her friend or enter a totally different world?