When Yuma and her family to travel to Alice Springs, Milly and Jimmy arrange for Henry to finally meet his other daughter, leading to a welcome family reunion.
While Heath enjoys the benefits of keeping a secret, the girls make plans for Kyanna to return to Alice Springs. Kyanna learns the truth behind her and Yuma's separation.
Yuma tries to keep Ky's presence in the house a secret as Heath's suspicions grow. Yuma performs her second audition but the requirement of having to perform a duet with Sasha could ruin everything.
Yuma tries to discover why her mother gave up painting, and in the process learns to paint herself. Heath continues to look for evidence to confirm his sister is an alien.
Kyanna does her best to avoid practicing with Sasha for their dance audition but her odd behaviour draws out her brother and best friend's suspicions. Meanwhile, Yuma learns about bush tucker.
Yuma and Kyanna are unable to swap places and return home. Yuma finds out she has to try out for the new girls football team. Kyanna becomes closer with Heath, who thinks she has been replaced by an alien.
Yuma and Kyanna decide to live each other's lives for one week, but realise it's going to be tricky to swap back. Kyanna is faced with an important history test at school and Yuma helps Aaron with a video project about bush tucker.
When Yuma and Kyanna meet in Alice Springs, they realise they could be long lost twins and decide to swap lives, with Kyanna heading to Sydney and Yuma trekking to an outback community to meets her mother for the first time.