"Secrets" is the second book in the series "Viking Blood" by Marianne Slot. Three years after the attack on Styrbjorn's village his brother, Sven, has been elected chieftain and the village rebuilt. After a successful summer voyage to Ireland everybody celebrates. Sven decides time for vengeance has come; a surprise attack on Haakon's village will be on horseback. However, the raid does not go as planned ...