It’s 1958 in Berkeley, California, and McCarthyism is causing ordinary citizens to be accused of treason. Fourteen-year-old Donna is happily organizing the Richie Valens Fan Club, when her physics professor father comes under investigation by the FBI. When her big sister Alice is mysteriously whisked away, and the girls’ mother suffers a nervous breakdown, it is up to Donna to support her father’s innocence. At the San Francisco House Un-American Activities hearing, Donna is caught between angry demonstrators and militant police in a dangerous conflict that ignites a decade of protest.