Lili gets involved in an underground resistance to free three British soldiers and get them out of France.

When the paper staff is arrested by French police, Lili is sure there is a traitor among them.

After the capture of her friends, Lili joins another group of resistance fighters.

Lili is in danger and must flee after the capture of Andre.

Victoria and other leaders are betrayed by a traitor, then captured and arrested by the Gestapo; Lili takes a chance when she sends a coded message to London.

As the Americans advance on Paris, Lili escapes the Gestapo only to be recaptured in Paris along with Jeannot, and sentenced to death.