The series begins with a mysterious character known as "The Professor" (played by Álvaro Morte), who plans to rob the Royal Mint of Spain. He gathers a group of skilled thieves, each with their own unique expertise, to carry out the heist. The team, wearing red jumpsuits and Salvador Dalí masks, aims to print and steal €2.4 billion. Throughout the series, the characters' complexities are revealed, and their relationships are put to the test.