What happens in The Message?
Spoilers for this episode and earlier events.
The warning gives Lagertha information about a planned attack, but it reaches her through a messenger carrying a severe personal cost. Ivar values Heahmund’s fighting ability despite the beliefs and former allegiance that place them on opposing sides. The Mediterranean escape resolves an immediate threat without making Bjorn’s wider journey a straightforward success.
- Season & episode
- Season 5, episode 6 of 20
- Series order
- 55 of 89
Story connections: Bjorn Ironside, Ivar the Boneless, King Harald Finehair and Lagertha.
Identify a face in this episode.
Episode references: HISTORY season guide · Community episode record.

Key events and consequences
Astrid's warning gives Lagertha time to prepare, but the assault committed during its delivery makes that intelligence inseparable from a personal atrocity. Ivar's use of Heahmund crosses a religious boundary for military advantage. The Mediterranean escape meanwhile restores freedom without securing the grander promise of Bjorn's voyage.
- The warning gives Lagertha information about a planned attack, but it reaches her through a messenger carrying a severe personal cost.
- Ivar values Heahmund’s fighting ability despite the beliefs and former allegiance that place them on opposing sides.
- The Mediterranean escape resolves an immediate threat without making Bjorn’s wider journey a straightforward success.
Key characters

Bjorn Ironside
The Mediterranean escape resolves an immediate threat without making Bjorn’s wider journey a straightforward success.
Character story
Ivar the Boneless
Ivar values Heahmund’s fighting ability despite the beliefs and former allegiance that place them on opposing sides.
Character story
King Harald Finehair
Character story
Lagertha
The warning gives Lagertha information about a planned attack, but it reaches her through a messenger carrying a severe personal cost.
Character story
Hakon
Character story
Sinric
Character story
Astrid
Character storyLocations and story geography
Kattegat
The arriving message turns a concealed plan of attack into information the defenders can act on.
North Africa
The sandstorm creates the physical opportunity Bjorn, Halfdan and Sinric need to escape captivity.
These are places in the story. For the real landscapes used on screen, explore the filming-location guide.
The episode breakdown
Information does not arrive without labor or risk. Astrid’s storyline makes that fact painfully visible and should not be treated simply as an efficient plot device. Compare the value placed on her message with the value Ivar places on Heahmund’s violence. One creates a chance to prepare; the other offers a weapon for the coming conflict. Both are absorbed into leaders’ plans, but the people making those plans do not experience the same cost as those carrying them out.
Themes to follow
- The private cost behind a successful warning
- A former enemy becomes a resource for war