Chloé Saint-Laurent is a profiler and works with a police team to solve murders in Paris. She's very sweet, she wears very colored clothes and a huge yellow bag. She looks like a little girl who need a doll, but she's very smart and a very good profiler. Step by step, she fit in the team and her colleagues, very reserved at first, became her best friends.

During the Second World War, the Martel family hides out in the Pyrenees, waiting for hostilities to end. André, a young boy, saves them from an attack by bogus resistance fighters. Hunted from all sides, he flees to Spain. Catherine Martel leads him to the border, and a romance develops between them.

Just released from prison after serving a six-month sentence, Fernand Bastia goes into hiding. He has indeed double-crossed his gang by keeping part of the product of a robbery for himself. Thanks to his sister Marcella, Fernand has taken refuge in a small circus where she works. There, he falls in love with Gina but also arouses the jealousy of Quedchi, a fairground stall-holder who has seen him hiding the stolen money. After a while, Fredo Riccioni, the boss of the gang and his men, manage to trace him...