Passing the State Alchemist Exam at age twelve, Edward became the youngest ever to achieve this title. As proof of being a State Alchemist, Edward receives the silver pocket watch. Along with this, he gains various privileges but also become a dog of the military.
To celebrate his achievement, Tucker holds a celebration party. However, Tucker seems disturbed since assessment day is approaching.
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Ed is tossed his pocket watch certifying his status as a State Alchemist by Roy Mustang and taken back to Tucker's house. On his way home, Ed learns that Mustang is busy trying to solve a case where the serial murderer only kills women. Arriving at Tucker's house, Ed shows off his pocket watch to Al and Nina only to have it taken away by Alexander.
At dinner, Ed and Al discover that Tucker is struggling to keep his State Alchemist title because he did not receive high marks during last year's assessment. Ed and Al encourage Tucker to recreate the talking chimera but his seems disturbed when the topic is brought up.
After dinner, Ed and Al head back to their room and are joined by Nina a short while later. There they learn that Nina's mother left Tucker because she felt that he was a good-for-nothing. In the morning, Ed finds that Tucker had burned the picture Nina had drawn of her mother, her father, and herself.
Befuddled, Ed heads to the library where he discovers that Tucker's report on the chimera has been classified. On his way out, he stops a man with a heavily tattooed arm. Next, Ed heads to Hughes's house to ask for information but does not get much information. However, Ed is startled to learn that Tucker's wife died shortly before his coming to Central.
Ed and Hughes are interrupted by a phone call informing them that the serial killer has struck again making it the fifth one so far. At the scene, Ed passes out when he sees the body of the woman which cause him to have flashbacks of his mother and his failed attempt to bring her back.
Shortly after waking up, Ed and Al are met by Basque Gran and asked to leave Tucker's house because of the nature of his research. With only two days left, Tucker must create something groundbreaking that will allow him to keep his lifestyle.
Having returned to Tucker's house, Ed and Al head to the basement where Tucker has recreated a talking chimera using Nina and their dog, Alexander. They also learn that he used his own wife to create his first chimera. The two brothers also find out how twisted Tucker's mind has become.
Infuriated by Tucker's disregard for human life, Ed punches Tucker repeatedly until he is stopped by Nina and Alexander. A few moments later, Gran enters and arrests Tucker and commandeers the chimera.
Told to keep the events that happened at Tucker's house a secret, Ed retaliates by overturning the truck holding the chimera. Escaping, the chimera instinctively seeks out the man with the heavily tattooed arm. He frees Nina and Alexander in a blinding flash of red, un-doubtingly alchemy.
Soon after, Ed finds the blood-stained wall of the chimera. Understanding why his brother gave him such an arm, the man walks off into the city.