Lidia found an alien in the park who gave her a flower, though she was scared. Later, Montse saw Lidia with the alien and got scared for her friend. When Montse came to Lidia's house, Lidia hid the alien in a cupboard. Montse opened the cupboard and saw the alien, scaring her. The police then came to the house and the girls explained to them about finding and meeting the alien. In the end, they all said goodbye to the alien.