Not necessarily. The plot is the main storyline. For example if a books character needed to defeat an evil enemy but at one point had to do training with an unknown teacher it would be a kind of 'side story' although it does weave in with the main plot. Or the story might switch from the main character to another characters point of view so that you could see what they were doing. Again this will probably weave in with the main plot but it is still not the main plot.
First then next and last
The story moves towards a climax and eventually a resolution.
The plot is what happens in the story.
Theme. Plot is what happens.
The tag is typically the last :30-:45 seconds of a sitcom that relates to a secondary plot point or reference to a line of dialogue during the program. It could be a joke or a quick tease or plot turn about what to expect next episode. It is after the last commercial break and normally acts as a segway into the next program.
The plot is just what happens in the story. You can't have plot going on outside of a story, no.
The plot is what happens in the story -- it's not in one spot.
The plot summary is the brief outline of what happens in a story.
No. The last movie with that crew was Star Trek The Next Generation: Nemesis. The plot line seems to make it clear it was the last. Several senior crew members are no longer on the Enterprise.
A plot is what happens in a story. Creating a plot is what you do when you think up what's going to happen.
Plot comes first
All books have plots. The plot is what happens in the book.