To plot or not to plot, that is the question.

Not really. You need a plot.

What is a plot you ask?

Nathan Bransford does a good job giving a brief explanation. Do You Have a Plot?

and then there’s this,

25 Ways to Plot, Plan, and Prep Your Story by the adored, but NSFW Chuck Wendig

Need to know if you’re overdoing your plotting?

Janice Hardy’s Fiction University is a wealth of helpful tips such as Too Much of a Good Thing: Over Plotting Your Novel

There are many methods you can utilize to help you plot.

Index Cards

Snowflake Method

Joanna Penn’s Mindmapping

or

Sara Toole Miller’s Mindmapping

Novel Outlining 101

Character Driven Plotting

Adding Subplots