the lifeless body of an attractive teen girl be find in a dusty attic . she hang and everything point in the direction of a suicide . close investigation and however and point out that the girl have be murder elsewhere before drag into the attic . the discovery of the corpse slowly unravel a network of teen prostitution in which several eminent civilian be involve . this harden the police investigation while the killer ( on a motorcycle and carry an authentic butcher knife ) be still on the loose . ` what have they do to our daughter be kind of like a sequel to ` solange ( or fully entitle represent what have you do to solange ) . the story do not follow each other but they handle about similar event represent young schoolgirl catch in a web of unsettling and sleazy affair . both film be above average gialli and with an incredibly high tension level and killer musical score . even though ` solange uphold the mystery long and more efficiently and this film contain a little more action . best example to state this be the extended police car versus motorcycle chase through the beautiful street of italy . the budget and however and be low so do not expect blood soaked murder like the one feature in dario argento gialli .