The love of Daigakunosuke in Act 1 is based on that of Moronobu in Act 1 of Chushingura; the plot of Toshiyuki in Act 3 is based on that of Yuranosuke in Act 7 of Chushingura; the murder of Oriyo and robbery of 50 ryo in Act 5 is based on the murder of Yoichibe by Sadakuro in Act 5; Okame's selling herself in Act 6 is based on that of Okaru in Act 6; brothers' revealing their identity in the final act is based on that of Heisaku and Jubei in "Iga-goe Dochu Sugoroku" (Revenge Sought Across the Path of Iga).
発端の大学之助の懸想は忠臣蔵大序における師宣の、第三幕の俊行の計略は忠臣蔵の七段目由良之助の、五幕目のおりよ殺しと五十両強奪は五段目の定九郎の与市兵衛殺しの、第六幕のお亀の身売りは六段目のお軽の、大詰めの兄弟の名乗りは『伊賀越道中双六』の平作と重兵衛の名乗りを下敷きにしたもの。