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.

A teenage orphan girl Salome lives within a sect lead by charismatic and ruthless Maria Åkerblom. During a pivotal summer, Salome is faced with standing up against Maria, the woman who had saved her.

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…

Swingers 2 brings back familiar faces - Indrek, Elen, Andrus, and Tiina - who now find themselves tangled up in a whole new set of relationship complications.