Transported accidentally back in time to a college campus in the South in 1931, Kenneth and Aleesa meet the young Langston Hughes on his poetry-reading tour and confront racism and threats to Hughes first-hand. What do they discover about the real power behind his words?
While on detention for disrupting a science lesson, Kenneth and Aleesa are transported to 1939 where they try to protect the privacy and even the life of Albert Einstein as he struggles to decide whether he should help build an atomic bomb to stop Hitler. Can they stop the Nazis from getting the atom bomb first?
After being adopted by Michael's family and moving from Mexico to Dallas, Javier tries to adapt to life in the United States but realizes he misses his old life in Vera Cruz, Mexico.
While studying migrant farm workers of the 1960's, Kenneth and Aleesa travel back in time and meet Cesar Chavez during the farmworkers' strike for fair treatment and better pay. Can they protect Chavez and his dream for his people from sabotage?
While working together on a school report about the 1960s, Aleesa and Kenneth are transported to March 1968, where they suddenly realize that the death of Martin Luther King, Jr. is only days away.
After his dad leaves, Matt Delaney rebels and his erratic behavior lands him in the vice-principal's office. He is assigned a new class schedule which includes a cooking class. Matt is a rebel, not a joiner, and this could be a recipe for disaster.
While spending the summer on his grandparents' Texas cotton farm, Michael sees a teenage boy on the other side of the Rio Grande in Mexico. He starts to write letters to Javier, and then helps him cross the river to come into the United States.