When her clan has doubts about her reason for taking Sheridan as a mate, Delenn is required to go to Minbar to attend "the Dreaming". Sheridan sends Marcus and Franklin to Mars to make contact with the resistance there.

The Earth military encounters an alien race called the Minbari. Through a series of accidents and misunderstandings, a war breaks out that nearly results in the death of every human on Earth. The war and its aftermath provide the background for the TV series ""Babylon 5.""