A special team searches for missing persons.

What will happen on December 21, 2012? Nobody knows for sure. This is the day the Mayan calendar ends. This lost civilization believed in a great upheaval. Are we in danger? The answer lies in Mexico. A new codex has been found with information about the end of the era. Four children go looking. But they're not the only ones. Who is trying to stop them? And do they know how to avoid all dangers?

Melissa is a 15-year-old girl who loves to dance. Her parents think she is taking classes in classical ballet, but once at the dance school she devotes herself to the hip-hop dance classes. Melissa is good friends with Jordi and he is very happy for Melissa when she is asked to dance in the music video of the famous rapper Brainpower. But because of bad influences, her life becomes a nightmare. Until her real friends decide to get her out of there.