"Sonny and Marie got married following Bains' death. Promoted once more, Sonny now has to deal with rampant crime as a drug cartel begins operating in Lytton and evidence of a satanic cult starts to appear. When Marie is stabbed in a mall parking lot, Sonny's police work becomes personal.
Sonny must deal with Pat Morales, his new partner who displays some questionable ethics and may be hiding something. He must also find patterns in a growing series of crimes to find his next lead."
Source: Wikipedia, "Police_Quest_III:_The_Kindred," available under the CC-BY-SA License.