A contemporary story of a young married couple, Wojtek and Ola, who take in Kacper, a boy from an orphanage, for the Christmas season. This unusual child changes their approach to life and each other.

During their summer break, middle-schoolers Felix, Net, and Nika - brilliant inventor, computer whiz, and psychic, respectively - along with Manfred, Net’s AI companion, accidentally activate a time-travel device and are swept into perilous eras of the past and future.