The story of an Argentine family who lived with Josef Mengele without knowing his true identity, and of a girl who fell in love with one of the biggest criminals of all time.

Allegra dreams of being part of the Eleven O'Clock musical theater company and becoming the star of "Freaky Friday", a play that consecrated her grandmother years ago. Grandmother Cocó is a living legend in the world of musical comedy and has a complicated relationship with her daughter Caterina, Allegra's mother. Allegra's life is completely altered when she finds a mysterious bracelet in her home that sends her back to 1994, the year Caterina was her age and took her first …