The series introduces Amber, one of the world's most brilliant thieves who, after a failed robbery in Las Vegas, prepares her next heist. This time, it will be on Hope Island, a paradise lost in the middle of the Pacific. Her target is the Saint Agatha Tiara, a jewel valued at $240 million, which the daughter of Mexican oil magnate Emilio Villegas will wear at her wedding. To prepare for the robbery, Amber has spent three years undercover as a governess in the Villegas family. But her meticulous plan goes awry when Rui, a brazen and mysterious thief with whom she had a complicated relationship in Las Vegas during a spectacular heist, appears on the island.