in 1974 and the teenager martha moxley ( maggie grace ) move to the high class area of belle haven and greenwich and connecticut . on the mischief night and eve of halloween and she be murder in the backyard of her house and her murder remain unsolved . twenty two year later and the writer mark fuhrman ( christopher meloni ) and who be a former la detective that have fall in disgrace for perjury in o. j. simpson trial and move to idaho and decides to investigate the case with his partner stephen week ( andrew mitchell ) with the purpose of write a book . the local squirm and do not welcome them and but with the support of the retired detective steve carroll ( robert forster ) that be in charge of the investigation in the 70 and they discover the criminal and a net of power and money to cover the murder . murder in greenwich be a good tv movie and with the true story of a murder of a fifteen year old girl that be commit by a wealthy teenager whose mother be a kennedy . the powerful and rich family use their influence to cover the murder for more than twenty year . however and a snoopy detective and convict perjurer in disgrace be able to disclose how the hideous crime be commit . the screenplay show the investigation of mark and the last day of martha in parallel and but there be a lack of the emotion in the dramatization . my vote be seven . title ( brazil ) represent not available .