A splinter group of rebels is trying to obtain the key to Laplace's Box. On her way to stop them, Audrey Burne meets 16-year-old Banagher Links.

Now piloting the Unicorn Gundam, Banagher defeats the Sleeves pilot Marida and her Kshatriya, but is picked up by a Londo Bell assault ship.

A Zeon remnant force launches an attack on the Earth Federation capital, but it's a feint. Marida is taken to a Federation facility in North America.

Banagher is beaten by the black mobile suit Banshee and taken into custody. Meanwhile, Martha wants Mineva's help to make Banagher talk.

Full Frontal and the Sleeves allow the Nahel Argama to escape the EFSF, then take over the ship. Banagher and Mineva are faced with a decision.

Banagher battles Riddhe, who wants to stop him and Mineva reaching Industrial 7's Magallanica, where Laplace's Box is hidden. Marida launches to help.