Episode Title:Have Dragon Will Travel, Pt.2.Episode Description:Hiccup manages to rescue Heather, and though she is still determined to take revenge, Hiccup persuades her to leave it for another day. On the way back to Dragons' Edge, Heather reveals that the parents she lost were adoptive, and all she has to remember her birth father is an old horn. When they return, the riders re-welcome Heather while offering their support, and she and Astrid take the time to bond. Together they meet with Johan, who reveals Dagur's plans to purchase new dragon-proof ships and weaponry, and they convince the riders to launch a surprise attack. They manage to successfully capture Dagur, but Hiccup intervenes before Heather can kill him, revealing that her horn was a gift from Stoick to Oswald the Agreeable, her father, meaning that Dagur is her brother. Dagur offers her the chance to join with the Berserkers, but she refuses. In the end, Heather decides to leave, saying she has much she needs to figure out.