The Coastguard is called to help a group of people stuck on the side of a cliff, while an investigation of a suspicious boat yields unexpected results.

The crews pursue drug traffickers approaching the Spanish coast, a different enemy threatens marine life, and the battle against illegal fishing continues.

Drug traffickers lead the Coastguards on a high-speed chase, an illegal fishing boat invades a nature reserve and a dinghy sends out a distress call.

A routine check has shocking consequences, headquarters investigate a suspicious speedboat and coastguard teams handle a case of alleged domestic violence.

Drug traffickers throw their cargo into the water, the Special Unit for Subaquatic Activities must quickly change course, and an illegal fishing boat takes cover.

A drug trafficker seems to be back in action, three patrol boats round up tobacco smugglers and another unit tracks down human traffickers.

A joint operation with France takes place in the Island of Madeira, while in the Mediterranean Sea, a sailing race may have a precarious end.