Jade demands an explanation and then urges her sister to tell the truth .
However , she runs out of time and Jade quickly realises that Callum is actually the child Sonya gave up to be raised by their grandmother .
Jade demands an explanation and then urges Sonya 's sister to tell the truth .
However , she runs out of time and Jade quickly realises that Callum is actually the child Sonya gave up to be raised by their grandmother .