 Homer realizes he doesn t know enough about Lisa, so he hires a private detective to learn more about her. This helps with the father-daughter relationship, as Homer knows what she would want to do. However, the detective, Dexter Colt, has charged him $1000, and few of the charges relate to his work (namely, a $40 steak, super-unleaded fuel and silver bullets [the idiot thought Lisa was a werewolf]). Homer, of course, refuses to pay the bill, so Colt breaks into the animal testing lab, and as Lisa is against animal testing, and some of Lisa s belongings are there, the police assume it was her who did it. Can Homer expose Colt and exonerate Lisa before she s jailed?