They mean to murder him.

Say that I, Agias, say so, and he, at least, will believe me.

You yourself can see the sun gleaming on their steel as they march down the hill." [113] About 606-3/4 English feet.
Perhaps it was the sight which Agias indicated, perhaps it was his earnest words, perhaps it was his handsome face--Chloe was very susceptible to good looks--but for some cause she put down the pot and was off, as fast as her light heels could carry her, toward the house.
II Drusus had ridden hard to get back early from Lanuvium and write some letters to Cornelia, for he had expected that Agias would come on that very afternoon, on one of his regular, though private, visits; and he wished to be able to tell Cornelia that, so long a time had elapsed since he had been warned against Ahenobarbus and Pratinas, and as no attempt at all had been made on his life, her fears for him were probably groundless and the plot had been for some cause abandoned.
Drusus himself was weary, and was glad to shake off the little knot of clients and retire to his chamber, preparatory for a bath and a change of clothes.

He had seen Falto, but the latter deemed it best not to trouble his patron at the time by mentioning the prisoner.

Mago, too, concluded that it was best to defer executing his promise.