1. Episode 1

At El Prat Airport in Barcelona, a man claims to not have any luggage. At Barajas Airport, a passenger's suitcases are packed full of crabs.

2. Episode 2

At Barajas Airport, a passenger has an illegal substance in her luggage.

3. Episode 3

At El Prat Airport, the Civil Guard makes a shocking discovery in a woman's suitcase.

4. Episode 4

At Barajas Airport, a passenger with a suspicious suitcase is taken to the police station.

5. Episode 5

A passenger's explanations about his luggage baffle agents at Barajas. Several suspicious packages in Barcelona will leave their mark.

6. Episode 6

The merchandise with which a couple tries to cross the border requires drastic measures. In Algeciras, the agents go all out.

7. Episode 7

At Barajas, a piece of luggage on the tarmac requires immediate action. In Barcelona, the origin of goods is a family affair.

8. Episode 8

The trip of two passengers in Madrid turns into something different from what they had planned.

9. Episode 9

The arrest of a passenger at the airport triggers an operation in the city. A passenger forgets that there is only one authority at the border.

10. Episode 10

A woman's luggage becomes a challenge for agents at El Prat. A passenger's merchandise generates many questions and few answers.

11. Episode 11

A suspicious suitcase makes agents at Barajas airport sweat. In Algeciras, agents decide to subject a truck to surgery.

12. Episode 12

In Algeciras it is clear that sometimes trying to save money has the opposite effect.

13. Episode 13

A passenger doesn't dare look at his own luggage and that can't be a good sign. It's hard to catch the agents at El Prat by surprise.

14. Episode 14

A passenger's nerves hinder an agent's work at El Prat. At Barajas, a scanner reveals a dangerous threat.

15. Episode 15

When authorities get suspicious, passengers get defiant. In La Línea de la Concepción, a father of a family gambles all or nothing.

16. Episode 16

Two passengers embarrass agents at Barajas, but not because of the contents of their suitcases. In Algeciras, a van is carrying a surprise.

17. Episode 17

The resistance of some passengers to pass controls undermines the patience of the agents. In Barcelona it is said that he who warns is not a traitor.

18. Episode 18

A hashish tip-off in La Línea de la Concepción alerts the Guardia Civil. A chase in the Strait turns into an anti-drug operation.

19. Episode 19

In El Prat, mother and daughter discover the consequences of crossing the border with prohibited goods.

20. Episode 20

An operation by customs agents can have an undesirable outcome. When a passenger is caught red-handed, anything goes to get away with it.