When Ryan's father goes to investigate a scientific research facility based on an off-shore island, he finds himself stranded with a group of strangers. When nobody returns from the island, Ryan receives a cryptic message from his dad.
Josh dumps Ryan in the middle of the mysterious forbidden zone to pay him back for cutting off their communications. Shocked by his actions, the girls insist on rescuing him.
With their parents still not back, Ryan tries to enlist Natasha's help to retrieve the walkie talkie from Maggie. However, he still has a lot of making up to do before she will give him the time of day.
Natasha attempts to teach Josh how to read without the others finding out. Emma makes a startling discovery about her sister while searching for a food thief with Zuke.
Despite Em's shock over Lily's secret, the sisters find a way to deal with the situation during their parents' absence. Meanwhile, Jarrah challenges the boys to a fishing competition with amusing results.
Natasha realises her true feelings for Ryan, but has she left it too late to say anything? As it is Ryan's last day at base camp, Jarrah doubles her efforts to make an impression. Unfortunately, an accident is not what she had in mind.