Luna Valente lives with her family in Cancún, Mexico. She goes to school, has her own group of friends, has a job, and loves to skate. However, her life changes when her parents are given a job offer that moves them to Buenos Aires, Argentina. There she finds a new skating rink (named Jam & Roller), learns freestyling, makes new friends, and even falls in love.

One night Malena and Pablo, a sister and brother traveling together in Argentina, discover a diary that details crimes committed twenty years ago.

A German baroness and her ailing husband arrive at a mansion in the middle of the countryside in Argentina in the decade of the 30s.