"we both have black hearts."

Letha and her brother Roman had been running away and hiding in desolated places after the mass killing of all the young Padawans of Luke Skywalker, the Wayland brothers being the only people who could scape.

After years of hiding, they land in Jakku, a waste planet full of cart plots and junkyards there they'll meet a boy and a girl and find out that their beloved Master might still be alive.