Ellery Queen, Master Detective

After being run out of Las Vegas, reporter Carl Kolchak heads for Seattle and another reporting job with the local paper. It's not long before he’s on the trail of another string of bizarre murders. It seems that every 21 years, for the past century, a killer murders a certain number of people, drains them of their blood, and then disappears into the night. Kolchak is on his trail, but can he stop him?

A crooked politician finds himself being accused of murder by a gangster from whom he refused help during a re-election campaign.

A murderer is brought to court and only Miss Marple is unconvinced of his guilt. Once again she begins her own investigation.

Miss Marple and Mr. Stringer are witnesses to the death by heart attack of elderly, rich Mr. Enderby. Yet they have their doubts about what happened. The police don't believe them, thus leading Miss Marple to yet again investigate by herself.