This episode begins a 2-part story arc: “Affliction” and “Divergence.”
4-12: Babel One
While transporting a Tellarite ambassador, Enterprise rescues the crew of Shran’s ship and becomes caught up in a dispute between the Tellarites and Andorians.
As the Enterprise crew unwinds following the completion of their stressful Xindi mission. T’Pol and Trip visit Vulcan where she grapples with making a difficult decision.
4-19: In a Mirror, Darkly, Part II
A power-struggle ensues for control of the U.S.S Defiant in the mirror universe.