The Professor recruits a young female robber and seven other criminals for a grand heist, targeting the Royal Mint of Spain.

Hostage negotiator Raquel makes initial contact with the Professor. One of the hostages is a crucial part of the thieves' plans.

Raquel is adversely affected by a personal crisis with her ex-husband. The hostages are afraid of the sound of gunshots they heard. Thieves argue among themselves.

A sudden development in the investigation and a mistake made by one of the thieves confronts the Professor with a serious risk that could lead to his identity being revealed.

The professor talks with Raquel's mother on stressful conditions. Darphanede wants thieves to choose between money and freedom from the hostages.