Gilda Bessé shares her Paris apartment with an Irish schoolteacher, Guy Malyon, and Mia, a refugee from Spain. As the world drifts toward war, Gilda defiantly pursues her hedonistic lifestyle and her burgeoning career as a photographer. But Guy and Mia feel impelled to join the fight against fascism, and the three friends are separated.

Following a hard break up, Cesar feels nothing. On the day of his 30th birthday, he asks one thing and one thing only, from the people he meets: their testimonial on unconditional love in front of his camera. Throughout his interviews the young artist tries to understand a question that haunts him: how to love?