Fallout season 2 unveiled the first episode on December 16, 2025. Coming in as a surprise for the fans, the episode's early release added to the excitement for the show's return. Lucy and Cooper have begun their journey to Las Vegas to find Hank and the latter's family. The first episode also introduced the viewers to Justin Theroux's Robert House and his sinister ways. The brain-computer interface becomes a pivotal element, with its devastating effects explored in the episode. Hank's entry in the ending also brings a twist to the plot, raising questions about his actions. Disclaimer: The article contains spoilers for episode 1. Reader's discretion is advised. In the end, Hank heads to Vault-Tec headquarters in Las Vegas. In conversation with a mysterious person on the radio, he reports for duty and confirms his intentions to complete what the other person started. He states his desire to climb up the ladder at the company and become more powerful than ever. Fallout season 2 episode 1 ending explained: What's behind Hank's visit to Vault-Tec at the end? View this post on Instagram Instagram PostAfter the big reveal about Hank's true intentions in the previous installment, viewers got to see him for the first time this season at the end of episode 1. Still in his power armor, Hank appears at Vault-Tec's office, his old workplace, in Las Vegas. While the place appeared to be out of use with no one around, Hank tests the facilities and ensures that they are largely working. Changing into a suit and going around the office, he heads to global communications to connect with an unknown figure through radio. As he reports to duty, he clears to this mysterious 'sir' that his presence at the office was not known to anybody. After stating that he is alive, he goes on to state how he hopes that the other person is alive too. It is then that Hank reveals his plans in Vegas, mentioning that he was picking up where things were left off by the mystery man and Vault-Tec.In a shift of scene, the viewers are shown Hank moving around the office, spotting past employees' headless bodies still sitting in one of the work stations. They appear to have been working on the brain-computer interface, which also led to their deaths. This scene becomes pivotal as viewers learn more about the dangerous device shown throughout the episode and Hank's intentions ahead. Also read: What role is Justin Theroux playing in Fallout season 2? The new teaser trailer unveils his character and moreWhat does Hank inform the mystery figure about the brain-computer interface? In Fallout season 2 episode 1, Hank's conversation with the unknown figure takes an interesting turn when he gives an update about the brain-computer interface. Viewers got to witness the device's impact on individuals through several scenes in the episode, showcasing how Robert House and Vault-Tec were using it for their dark plans. Through Hank's conversation at the end of episode 1, viewers learn that the device had not been perfected for long, due to its size and explosive elements. However, Hank confirmed that Vault 24 had managed to solve these issues by turning the device into the smallest size possible. Hank affirms that he can further ensure the advancement of this device to bring it to the mystery man's use. He then talks about his motive for promotion at the company. Not only does he plan to finish the task that was started, but he also wishes to become a key figure who is more powerful than the mystery man. This is indicated in his last lines at the end of the episode: "Then, we can finally talk about my promotion. I'm gonna complete the work you started. And when this is all over, you will be begging me to help you."Also read: How many episodes will there be in Fallout season 2? Episode count, release schedule, and moreWho could the mystery man be in Fallout season 2?A still from Fallout season 2 (Image via Instagram/@primevideo)Hank's conversation with the unknown 'sir' raises doubts about who this powerful person would be. While the first episode did not reveal his identity, the clues available indicate that it could be Robert House. Hank could be speaking to him, as he is the most influential and powerful person in New Vegas. Hank's references to the figure's attempts to 'survive all possible contingencies' connect to House's plans with the devastating experiments. In the last scene, Lucy's father also mentions Vegas being the mystery man's 'stomping grounds.' Known to be the ruler of Vegas, this statement also hints at House being the receiver of Hank's message. While the episode ends without clear indications, the identity of this prominent figure may be picked up in the next episode. Watch Fallout season 2 on Prime Video.