A road trip on New Year's Eve goes awry when Niles accidentally falls asleep in the wrong recreational vehicle.
The agents enter the bizarre world of sideshow performers when an unseen creature begins killing the inhabitants of a circus town.
As Archer gets closer to finding Phlox, Klingon Augments board and sabotage the ship, leaving the crew in a desperate race against time to prevent the destruction of the Enterprise.
Kira learns that her mother, taken from a refugee centre to be a Cardassian comfort woman, willingly became Gul Dukat's mistress.
A Starfleet lieutenant, befriended by Geordi, is implicated in the murder of a fellow officer on an isolated communication relay station.