روم plans to perform at a school competition and show a huge starship assembled from a construction set. The toy, equipped with the latest technology, immediately attracts the attention of uninvited guests - mysterious space pirates. They are trying to steal the starship. Roma's friends - Pinky, Bublik, General De Krol, Fly, Gloria, Ko-Ko and the ninja lizard O-Rush - will have to fight the aliens, and also test the strength of friendship, reflect on mutual assistance, courage, bravery, the right to make a mistake in everyone's life, and also the ability to forgive.