A detective probes a death case, his sister gets involved with a suspect. He tries keeping them apart, suspecting danger, but she sympathizes with the man, straining the case's progression.
A detective takes on a murder case that was disguised as suicide and becomes obsessed with solving it. But his younger sister falls in love with a man that is somehow connected to the murder. The detective tries to push the two away from each other, because he knows the man isn't a good person but the young woman has sympathy for him.
