Ep 14. Those Who Lurk Underground

As Edward and Alphonse continue their search for the Philosopher's Stone, they receive a tip that leads them to a secret laboratory deep beneath the city. There, they discover that a group of scientists has been conducting illegal experiments on human beings in an attempt to create an army of super-soldiers.

But their investigation is cut short when the group's leader, a sinister figure known only as "Number 48," arrives on the scene. Number 48 has the power to control metal, and he quickly proves to be a formidable opponent for the brothers.

Meanwhile, Mustang and his team begin to gather more information about the mysterious group and their activities. They learn that Number 48 was once a soldier who was experimented on by the government, but managed to escape and form his own group of rogue scientists.

As the episode unfolds, the brothers and Mustang's team work together to try and bring an end to the group's cruel experiments. Along the way, they face many challenges and obstacles, including fierce battles with Number 48 and his minions, as well as moments of self-reflection and realization about the nature of power and ambition.

Ultimately, the episode ends on a cliffhanger, with a shocking revelation that sets the stage for the next chapter in the brothers' quest for the Philosopher's Stone. Fans of the show will undoubtedly be left clamoring for more, eager to see how the story unfolds in the episodes to come.