The Doctor, Yaz, Graham, and Ryan all comfort Jamie and Victoria, assuring them that they are not alone and that they will help them bring justice to their father. Together, they come up with a plan to expose J'son's alliance with the Master and reveal the truth to the people of Spartax.
As they gather evidence and spread the truth, J'son becomes aware of their actions and tries to stop them. But with the help of the Doctor and his friends, Jamie and Victoria are able to apprehend their father and bring him to trial.
During the trial, J'son tries to defend himself and deny his actions, but the overwhelming evidence presented by the Doctor and her friends proves his guilt. The people of Spartax are shocked and heartbroken, but they also see the strength and bravery of Jamie and Victoria for standing up against their own father for the sake of justice.
In the end, J'son is sentenced to imprisonment for his crimes, and Jamie and Victoria are hailed as heroes for their courage and determination. The Doctor and her friends bid farewell to the siblings, knowing that they have made a positive impact on the future of Spartax.
As they leave, the Doctor reminds Jamie and Victoria that they have each other and the support of their friends, and that is what truly matters. Jamie and Victoria thank the Doctor and his companions for their help and bid them farewell, ready to face the challenges ahead and rebuild their empire with honesty and integrity.