am tatort erkennt kommissar kyochiro kaga den besten freund des ermordeten wieder vor vielen jahren unterrichteten er und nonoguchi gemeinsam an einer ffentlichen schule kaga ging in den polizeidienst whrend nonoguchi den lehrerberuf an den nagel hngte um sich mit migem erfolg dem schreiben zu widmen im laufe der ermittlungen findet kaga hinweise dass die beziehung der beiden schriftsteller alles andere als freundschaftlich war doch die eigentliche frage ist nicht wer oder wie sondern warum wenn kaga kein motiv fr den mord nachweisen kann wird die wahrheit nie ans licht kommen in einem brillanten katzundmausspiel kmpfen der kommissar und der killer um die vergangenheit und den tatschlichen tathergangacclaimed bestselling novelist kunihiko hidaka is found brutally murdered in his home on the night before hes planning to leave japan and relocate to vancouver his body is found in his office a locked room within his locked house by his wife and his best friend both of whom have rock solid alibis or so it seemsat the crime scene police detective kyochiro kaga recognizes hidakas best friend osamu nonoguchi years ago when they were both teachers they were colleagues at the same public school kaga went on to join the police force while nonoguchi eventually left to become a fulltime writer though with not nearly the success of his friend hidaka as kaga investigates he eventually uncovers evidence that indicates that the two writers relationship was very different that they claimed that they were anything but best friends but the question before kaga isnt necessarily who or how but why in a brilliantly realized tale of cat and mouse the detective and the killer battle over the truth of the past and how events that led to the murder really unfolded and if kaga isnt able to uncover and prove why the murder was committed then the truth may never come out