A dark comedy that tells the story of Heiki — a young man who dies during a party he’s hosting at the house of his recently passed grandfather and ends up in the Underworld where he must face the consequences of his death.

In medieval Tallinn, a famous knight who is freed from the pirates of the Baltic Sea is murdered. The hero's head is cut off and his mouth is stuffed with coins. The gold chain he bought the same day is missing. The bailiff orders Melchior, an apothecary, to investigate the crime. The clever young man discovers that the slain was looking for a mysterious "Tallinn prisoner" and the traces lead to the Dominican monastery. A fabulous sequence of bloodwork is unleashed - anyone who comes into contact with this secret is in danger of dying.

Lotte gets a little sister named Roosi. Two scientists Karl and Viktor come to Gadgetville, they are taking part in a big folk song collecting competition. Whoever succeeds in recording the folk song of the world’s oldest animal species, wins the competition’s grand prize. Lotte and Roosi decide to help the scientists. Exciting and unexpected adventures await the sisters.

The events of the war in 1944, from the Blue Hills to Sõrve Peninsula. Shown through the eyes of Estonian soldiers who had to pick sides and fight against fellow brothers. Choices have to be made, not only by the soldiers, but also by their loved ones.

In the middle of the night, a drunk town guard happens to meet the daughter of a rich merchant… who drowned herself into a well 10 years ago. Soon after the town guard falls dead from the tower. This is followed by two other suspicious deaths. Doubting the existence of the ghost, Melchior has a hunch that these ‘accidents’ are part of a heinous crime. Tracking down the killer, his path will cross with heretics, old feuds and dark family secrets.

Melchior’s bride Keterlyn happens to witness an attack on a young man. The victim, who has lost his memory, does not know who he is and how he ended up in a Tallinn. A ring found at the scene leads Melchior to the trail of the nocturnal brotherhood, questions are also raised by the troupe of freaks who performed on fair day. Ominous signs suggest that not only is the stranger recovering from a murder attempt at risk, but Melchior and Keterlyn as well. At the same time, an inquisitor known as a ruthless witch hunter arrives in town. Melchior's ability to "speak to the dead" and to notice invisible traces of murder have raised the suspicion that he may be a dangerous heretic. And the place of the enemy of the church is at the stake…