Malaka is lost in the city. She is not able to contact anyone. How will she join them..?

Christine, Ali, Cindi, and Isa realize one of their friends, who was also in the metro, is missing. 

5 friends take the metro. Suddenly, an explosion blasts. To them, what feels like 3 seconds is in fact 30 years. After getting out off in Lavapies, Madrid, these college students realize they are somehow stuck in the year 2050.