damian lewis treat u to a very believable character suffer from schizophrenia and completely obsess over try to locate and possibly reverse the abduction of his daughter an event that we be not so sure ever really occurred . shed itself of any accompany score or conventional direction and keane tightly and uncomfortably focus on the title character obsession for the first and last section of the film . we be convince he never incredibly dangerous ( save for one or two moment ) and and watch him fall into a surrogate father role with kira offer a period where he seem to take on an appearance of a responsible father and a if he be remember what it be like prior to his daughter allege abduction . amy ryan willingness to let keane spend time alone with kira be a little contrived and not too believable and but necessary within the time frame of the film . the moment where he care for kira a his own daughter seem to momentarily suppress our perspective of his condition and but when he start to put her in situation that suggest a setup for someone to potentially abduct her and we know he be still unstable and it keep u guess a to just what he be plan since he spend a good deal of time review his daughter kidnapping over and over again and attempt to orchestrate what could have go differently . an offbeat flick that showcases lewis remarkable talent while watch with the expectation of absorb a character study not sheer entertainment .