The title is shared by two famous sci-fi episodes. Depending on which "S7E11" you're looking for, here are the stories: Star Wars: The Clone Wars

In this episode, the ship is struck by a spatial anomaly that "shatters" it into different time periods.

: During the journey, Ahsoka feels a profound disturbance in the Force—the death of Mace Windu and Anakin’s turn to the dark side.

: Chakotay must navigate the ship's fragmented reality, encountering a past version of Captain Janeway (from before they ever entered the Delta Quadrant) and a future version of the crew.