1891. A series of terrorist attacks organized by anarchists or nationalists are taking place in Vienna and Strasbourg, and mysterious murders are taking place all over Europe. Sherlock Holmes believes that Professor James Moriarty, a mathematical genius and author of famous lectures and writings, is behind it all.

One day a boy named Shaggy meets a homeless puppy, to whom he gives a rather strange nickname - Scooby-doo. This becomes the beginning of not only a real friendship, but also a lot of amazing events, in which the main characters take a very active part. With the support of schoolchildren Daphne, Freddy and Velma buddies create a private detective agency, dreaming of helping the city authorities to cope with various criminals. Soon there comes a moment when the brave detectives have to face real danger: Dastardly Dick is going to release Cerberus, a creepy ghost dog, and the desperate team must stop the approaching apocalypse at any cost.

Nine-year-old Jude witnessed his mother being attacked by burglars who broke into their house and has since stopped talking. In an attempt to help the child, his parents decide to move out of town, and their choice falls on the old Hilshire mansion. Not far away in the woods, Jude digs up a strange doll almost as tall as himself. The boy does not part with his new "friend" named Brahms and soon he is on the mend. His parents are overjoyed, for they have no idea how this sinister friendship will turn out.

Andre Davis, a hereditary cop with the highest crime-solving rates, is under internal investigation, but nevertheless he is called in to catch two dangerous criminals. They committed a daring robbery in Manhattan and, leaving behind 7 dead police officers, went on the run. Davis has only one night to catch the killers, and the first thing he does is to block all exits from Manhattan, including 21 bridges.

Under the cover of night, Cecilia escapes from the high-tech home of her boyfriend Adrian by sedating him with sleeping pills and disabling the surveillance and alarm systems. Now the girl lives with a friend, afraid to go outside and suffers from persecution mania when she learns that her former tormentor committed suicide. Adrian, the leader of the market of optical developments, left Cecilia a large inheritance, and, finally, the girl's life should get better. But soon she begins to feel anxious again, as if Adrian is sneaking up on her - after all, it is impossible to hide from a stalker you can't see.

Farmer Nathan Gardner with his wife and three children lives far away from civilization. One day a meteorite falls near his home, disappears the very next day, and now unusual flowers grow around the site of the fall, and television and cell phone service works with interference. A hydrologist who came to check the local water is sure that it is not worth drinking, but the members of the Gardner family do not pay much attention to this and soon begin to behave very strangely.

A wealthy family of Korean descent living in Los Angeles discovers they are suffering from the spirit of an angry ancestor. Two shamans, a feng shui expert and the owner of a funeral firm in Korea must remove the coffin with the body of the great-grandfather from the grave and, without opening it, cremate it as soon as possible. However, a greedy employee of the hospital where the remains were brought for temporary storage, believing rumors of hidden treasures, opens the coffin, which leads to terrible consequences.

The not-too-distant future. Several years ago, mankind launched a program to search for extraterrestrial life, Project Lima, led by Captain Clifford McBride. The last signal of the expedition was recorded in the area of Neptune, and since then nothing has been known about its fate. Captain McBride himself became a hero and the most famous astronaut, inspiring many to explore space.

Sixteen years after the disappearance of Project Lima, strange bursts of energy begin to occur on Earth, disabling electrical systems and wreaking havoc and destruction. According to the American space agency, the signal comes from Neptune, and now the son of a famous astronaut, Major Roy McBride, is assigned a responsible mission. He must get to the Martian base and from there try to contact his presumably living father.

Summer Solstice Day is an ancient holiday that is shrouded in a mystical halo in all cultures. In a Swedish settlement cut off from the civilized world, unique rituals with a centuries-old tradition are held on this day. It is there that a group of young American anthropology students go, bringing with them the girlfriend of one of them. However, soon after their arrival, the friends find out that the local rites are far from harmless.

Halloween 1968. High school student Stella, a big fan of scary stories, and her two friends dress up in ridiculous costumes and go out. It turns out that the guys piss off the school bully Tommy and, fleeing from him, get acquainted with an out-of-town guy Ramon, and then go to an old abandoned mansion. The house belonged to the Bellows family, all the members of which mysteriously disappeared almost 100 years ago, and about the daughter of the family Sarah is still a creepy legend - supposedly she can kill, telling stories. The friends find a secret room, and Stella takes home the book where Sarah wrote her stories, and on the pages of which a new one will appear this very evening, and the bully Tommy will disappear without a trace.