It is 2023 in Paris, and three sisters—Alexia, Tam, and Sylia—are reunited after years apart. Their father, a renowned art collector, died a decade earlier in a mysterious fire that destroyed his gallery. When a painting from his collection unexpectedly resurfaces at a prestigious exhibition inside the Eiffel Tower, the sisters see it as the first clue to unraveling the truth about his death and the shadowy circumstances surrounding his past. They decide to risk everything by stealing the painting, an act that transforms them into a trio of audacious and elusive art thieves.

As they begin a series of daring heists across the French capital, from the Eiffel Tower to the Palace of Versailles, the sisters adopt the alias Cat’s Eyes. They must balance their dangerous, clandestine double life with their everyday existence, all while being pursued by the Organised Crime Unit of the French police. Leading this pursuit is Commissioner Quentin Chapuis, a determined officer tasked with arresting the mysterious new thieves. Unbeknownst to him, one of the sisters is Tam, his former girlfriend and the great love of his life. This creates a central romantic and dramatic tension, as Quentin closes in on the group while remaining unaware that his personal life is intertwined with his most high-profile case.

The series follows the narrative arc of the sisters’ transformation from a fractured family into a cohesive team. Sylia is the responsible and strategic older sister, initially reluctant to abandon her stable life. Tam is the athletic and impulsive core of the heists, forced to confront her lingering feelings for Quentin. Alexia is the rebellious and tech-savvy youngest sister, who provides crucial support. Their quest evolves from simple theft to a deeper investigation involving art trafficking, corrupt dealers, and the ultimate mystery of their father, Michaël Heinz. Each heist brings them closer to the truth while deepening the cat-and-mouse game with Quentin, whose investigation becomes increasingly personal. The series concludes its first season with the sisters making progress in their search for answers, having cemented their legacy as the phantom thieves of Paris, and sets the stage for a second season of heists and romantic entanglements.