Connor goes to the future to find Trinity which she's at a museum. Trinity is arguing to his grandfather that the museum is debt.
Connor wants to kill the dragon egg because he doesn't want it to hatch.
Trinity and Connor went off to find Trinity mom.
The dragon is talking to Trinity because she doesn't know who to trust. Connor wants to kill all the dragons because he thinks by doing so it will save the world and his twin brother wants to save all the dragons.
Trinity is upset because Connor took Trinity to her mother's old house when the dragon was hatching. Connor wants to kill all dragons that are alive because he thinks that by doing so it will save the world.
Must, Must, later when the dragon was born it die and all the mutant die too. When the dragons dies Trinity cried and also Caleb and Connor also felt sorry for the dragons.