Detective Murdoch finds that the man behind a flying machine that crashes in Toronto is none other than his old nemesis, James Pendrick. He learns that Pendrick is hoping to win a $1 million prize for the first controlled flight. A body is found in the rubble of the crash but someone is clearly out to steal his invention. Murdoch also has to deal with Ottawa-based spymaster Terence Meyers who says it's all a national security matter. Meanwhile, Julia returns from Vienna intent on practicing psychiatry. She's also hoping to have her marriage to D'Arcy annulled.
After escaping abduction, a frantic woman must coerce an exhausted truck driver to hide in the back of her truck for the night. The two women take refuge not knowing what the rest of the night has in store.
A young man falls in love with a seductive, sultry, young woman he meets on the beach. The more he falls for her, the more he will learn the dangers of falling in love with a siren.
When FBI Agent Zack Stewart is killed, Agent John Ripley takes over the three cases he was working on, hoping one will lead to his killer. The first involves gangster Joe Walpo and Ripley finds his hideout through Joe's girl friend, Connie Anderson. Joe is killed but it is established he was 400 miles away when Stewart was murdered. The next involves a car-theft gang which Ripley breaks up by using one of the gang, Vince Angelino and his wife Julie. The last case involves Kate Martell, the victim of an extortionist who threatens to kidnap her child unless she pays him $10,000
While hunting in the jungle, one day, ViJay save the life of a young man from the sudden attack of a wild hawk. There and then ViJay realizes that he have just save the life of a miraculous snake who have the powers to take the form of a human and who have been dating his beloved; also a miraculous female snake. ViJay browse this news to his five friends who immediately shoot the male snake to death. Enraged at the brutal killing of her beloved; the female snake begins to take revenge on the six friends, killing them one by one by taking the form of humans. Now the only one who can save the six friends is a sage but it certainly looks like the miraculous snake might as well do away with all her enemies before the sage lay hands on her.