Set during a turbulent period in 1970-80s Italy, the plot centres on passionate couple Sergio and Susanna, who have been living as fugitives. Pursuing an uncompromising cause as members of the notorious Prima Linea, they have become increasingly alienated from the real world. Their luck finally runs out when Susanna is captured and thrown in jail. Putting his life on the line, Sergio embarks on a radical plan.