Duke Thenardier sends his son Zion to raze Tigre's fiefdom of Alsace. Tigre prepares to return and defend his home, but as her prisoner, Elen imposes conditions on letting him go. Titta defends the Vorn estate while she awaits Tigre's return.
So then, the reason why
you sent Lord Zion to Alsace is...
La razón por la que enviaste
a Lord Zion a Alsace es…
Que hayáis mandado a Zion 
a Alsace significa que...
Por isso, o senhor enviou
o Lorde Zion para Alsace.