tə dˈuː soʊ, dˈɑːktɚ. ˈeɪtʃ. ɹᵻlˈeɪts ðə stˈoːɹi ʌv wˈʌn ʌv hɪz fˈɔːɹmɚɹ ɪnspˈɛktɚz, mˈætθɛi, hˌuː ˌɔn hɪz lˈæst dˈeɪ wɪððə dᵻpˈɑːɹtmənt, fˈaʊnd hɪmsˈɛlf kˈɔːld ˌɪntʊ ɐn ɪnvˌɛstɪɡˈeɪʃən ʌv tʃˈaɪld mˈɜːdɚ.
To do so, Dr. H. relates the story of one of his former inspectors, Matthäi, who on his last day with the department, found himself called into an investigation of child murder.