Before they left they met Helix and then they traveled for hours until Helix left them.
Once Helix left them they kept on walking till they saw a harbour with a barge. They met Rodrigo.
You will just be here for a little while . I have to take some food to the other island
Rodrigo drew them a map of Tamarind in the ships log which Simon had been carrying with them for days and the children began to ask Rodrigo questions of how he knew Tamarind so well.
The kids ducked down and hid from the soldiers. One soldier started theatening to shoot Rodrigo's head. This was obviously extremely scary. Luckily Rodrigo sorted things out and everyone was able to leave alive.