1935 film by Abel Gance

1984 film directed by Nelly Kaplan

Sisif, a railwayman, saves a young girl named Norma orphaned by a train crash and raises her as his own daughter alongside his son, Elie. As she becomes an adult, Sisif grapples with whether to tell Norma the truth about her parentage.

The plot concerns a comet hurling toward Earth on a collision course and the different reactions to people on the impending disaster.