Where can I watch The Refugees in Spain?

Mankind is suffering the biggest exodus in history. Three billion people from the future have traveled to the present to escape from an imminent global disaster. All the refugees must obey to rules: they must not talk about the future and they must not contact their families. The arrival of the refugees take everyone by surprise, including the Cruz family. The series centers on their story, the story of Samuel, Emma, and little Ani. The shift in their existence after the arrival of the mysterious refugee, Alex, who has an incredible mission that will change their lives, and in order to accomplish his mission, he will not hesitate to do whatever there is to be done--including breaking the rules.