The story of the celebration of the historic three-day Havana Jam festival at the Karl Marx Theatre, in Havana, Cuba, from March 2-4, 1979.

The story of students of a high school in Havana in the 60's, where love, politics, and moral contradictions appeared. A shy country boy gets caught between the peer pressure of his buddies and his love for an overweight, strong willed but likable girl.

Performance by Cuban singers Elena Burke, Moraima Secada, and Omara Portuondo performing popular songs from the 1960s.