A war veteran from the legendary space battle cruiser Sea Hawk makes a shocking revelation to Jax and Greg that could lead Jax to discover who actually killed her parents.

Jax joins Xander and her fellow cadets in responding to an emergency distress call from a secret lab, only to discover that a deadly experiment has infected the scientists and the cadets.

When Xander enlists Jax on a dangerous mission in which she must rekindle a relationship with an old flame, Xander, must confront his own feelings for Jax and question if all orders are meant to be obeyed.

Ralen is on trial for his life after being accused of having sabotaged the Tereshkova. But even Jax has her doubts about Ralen's veracity when his wife arrives from Zatar to defend him.