While looking for her cat, a young woman and some kids find an abandoned building where strange things happen and the rules of physics don't always apply. Part of the Animatrix collection of animated shorts set in the Matrix universe.
Immediately before the events of The Matrix Reloaded, the crew of the hovercraft Osiris discovers a quarter of a million sentinels drilling through the surface of the earth towards the last human city of Zion. But can the Osiris survive long enough to warn Zion?
The story of Prince Hal who sets out to avenge his dead father against the city's rivals, the Zeriths, little knowing it was his wicked uncle Nezo who is the real killer, with his own designs on the throne.