Lisa learns that her stepfather, whom she hasn't seen in years, suffered a deadly fall down thebbbLisalearnsthatherstepfather,whomshehasn'tseeninyears,sufferedadeadlyfalldownthestairsatthefamilyhomeandthatherestrangedmotherhasbeenarrestedforhismurder.Asshebeginstoinvestigatewhathappened,shediscoversthatnoteverythingisasitseems.详情