Martin scorsese goodfellas, casino directs this exceptional adaption of dennis lehane's novel shutter island'. '.strtoupper('l')eonardo dicaprio gives a riveting performance as u.s'. '.strtoupper('m')arshal teddy daniels'. '.strtoupper('t')eddy has been paired up with newly assigned partner detective chuck aule mark ruffalo to investigate the disappearance of rachel solando, a murderess who has escaped from a hospital for the criminally insane on a remote island located in boston harbour.upon arriving the two detectives are forced to surrender their weapons and then are taken to meet the head psychiatrist dr'. '.strtoupper('j')ohn cawley ben kingsley who explains how impossible it is for anyone to make it out of the island'. '.strtoupper('t')he longer the two detectives are on the island the more uneasy teddy begins to feel as they begin to uncover much more than expected and come to realise that rachel may not even exist'. '.strtoupper('b')ut what is the real reason they have been assigned to this island'? '.strtoupper('m').f.