Sean McGowan

The grisly deaths of two people appear to be linked, until evidence unearthed by Ducky suggests the second murder may have been carried out by a copycat killer.

When a researcher with the Department of Defence is found dead, Nell must put her high IQ to the test when she goes undercover as his replacement. Meanwhile, Hetty's ability to lead the team is questioned.

Sara is at the scene when a car bomb kills a celebrated academic and philanthropist. When the investigation leads the team to one of Grissom's ex-lovers, Brass demands that Sara is taken off the case.

The Enterprise is crippled by waves of destructive anomalies that distort the laws of physics while searching for the Xindi, and Ventaxian pirates attack the ship.

Archer and his team board a damaged Vulcan vessel adrift in an asteroid field and filled with zombie-like creatures.

The crew begins to question Archer's judgement when he goes to extremes to save an abandoned nest of Xindi-Insectoid eggs.