william keane be a man living in agony . our first encounter with him be at the new york port authority bus terminal . he be desperately try to locate his six year old daughter and abduct some month earlier from the terminal . there be no help or support a he return daily search for clue to her disappearance . a william recklessly walk into traffic and do a line of cocaine and drain a beer in one gulp and accost a man he believe may be the perpetrator we begin to question his sanity . do he have a daughter . if so and have she be abduct . suspense build a william begin a friendship with a young woman and her seven year old daughter . the woman entrust keane with the care of her daughter when she leave to sort out her marital problem in another city . this turn of event and couple with william erratic behavior introduces more question . will he hurt this little girl . leave her unattended . confuse her with his own daughter . director and lodge kerrigan could have present keane a a one dimensional character live on the fringe of society and lonely and unstable and isolated . fortunately he have give u much more to think about in this complex and deeply humane film . the intensity of the plot be sustain by a riveting and unforgettable performance by damian lewis ( best know for his role in band of brother ) . keane be a powerful character study of a man grapple with profound despair bring on by loss . mr. kerrigan obviously have great sympathy for his subject . i leave the theater know how easy it would be to inhabit keane nightmarish world of insanity if my own daughter disappear .