number posters commented unsatisfactory conclusion always problem long complex dramas crime essentially banal pay always anticlimactic whilst detailed exposition detracts human drama writer used number clever devices try get round this entirely successful answers precisely happened may supplied well buried viewer inevitably feels little cheatedbr br but sense unimportant drama never crime even investigation impact events lives involved family investigators witnesses press gripping writing significant cut run mill primetime drama performances uniformly good ensemble piece invidious focus individuals penelope wilton deserves special mention extraordinary tour de force motherwifedaughter janet mcteer cracking form hardbitten old copbr br one interesting aspects drama handling race elephant room noone prepared mention subtle powerful stuff