A great story is rarely just about one problem, one relationship, or one goal. While your main plot gives readers the central conflict they follow, subplots are what make a story feel alive. They reveal hidden layers of your characters, strengthen themes, build emotional connections, and create a richer world.
But not every side story belongs in a novel. A subplot should do more than fill pages—it should have a purpose.
What Is a Subplot?
A subplot is a secondary storyline that runs alongside the main plot. It can involve:
- A romantic relationship
- A friendship or rivalry
- A character’s personal growth
- A family conflict
- A mystery within the larger story
- A secondary character’s journey
- A world-building element that affects the main conflict
For example, a fantasy novel might have a main plot about stopping an ancient evil from destroying the kingdom. A subplot could follow the main character learning to trust their magical abilities, repairing a broken friendship, or developing feelings for someone from an enemy kingdom.
The best subplots connect back to the heart of the story.
Give Every Subplot a Purpose
Before adding a subplot, ask yourself:
Why does this storyline exist?
A meaningful subplot should do at least one of these things:
1. Reveal More About a Character
Characters are more than their main goals. Subplots allow readers to see their fears, desires, flaws, and hidden strengths.
A warrior who must save the world might also struggle with forgiving themselves for a past mistake.
A powerful mage might secretly fear losing control of their magic.
A villain’s apprentice might question whether they truly want the life they were forced into.
These smaller struggles make characters feel human.
2. Strengthen the Main Theme
Your subplot should support the message or emotional core of your story.
If your main theme is about identity, a subplot could explore:
- A character hiding their true heritage
- Someone choosing between tradition and change
- A person discovering who they are beyond others’ expectations
If your theme is about love and sacrifice, a subplot might show another character making a different choice that contrasts with the main character’s journey.
Subplots are opportunities to explore your themes from different perspectives.
3. Create Emotional Contrast
A story filled with only one type of conflict can become exhausting.
Subplots provide emotional balance.
A dark fantasy story about war might include a subplot about:
- A friendship that gives characters hope
- A romance that shows vulnerability
- A quiet moment of rebuilding after destruction
These moments make the larger conflicts feel more powerful because readers understand what the characters are fighting to protect.
4. Add Depth to Your World
World-building does not have to happen through long explanations. Subplots can naturally reveal your setting.
Instead of explaining a kingdom’s traditions, show:
- A character preparing for an important ceremony
- A forbidden relationship between two cultures
- A family struggling with old magical laws
- A creature trying to survive in a changing world
Stories feel bigger when readers experience the world through the characters.
Types of Subplots You Can Use
The Relationship Subplot
Relationships are one of the most common and effective subplots.
Examples:
- Enemies becoming allies
- A forbidden romance
- A friendship tested by conflict
- A mentor and student relationship
- Siblings with opposing goals
Relationships create emotional stakes. Readers often become invested in who characters love, trust, and lose.
The Internal Conflict Subplot
Sometimes the greatest battle happens inside a character.
Examples:
- Overcoming fear
- Learning self-worth
- Accepting a hidden identity
- Breaking away from expectations
- Forgiving themselves
Internal conflicts often create the strongest character arcs.
The Mystery Subplot
A smaller mystery can keep readers engaged.
Examples:
- Who is secretly helping the enemy?
- Why has a character lost their memories?
- What happened to an ancient civilization?
- Why does a magical ability appear forbidden?
Mysteries work especially well in fantasy, paranormal, and romance stories.
The Secondary Character Subplot
Supporting characters should feel like real people, not just tools for the main character.
A subplot can show:
- Their own goals
- Their personal struggles
- Their relationship changes
- Their role in the larger conflict
Sometimes a secondary character’s journey can reveal something important about the main character.
Make Sure Subplots Connect to the Main Story
The strongest subplots eventually affect the main plot.
Ask:
If I removed this subplot, would the story change?
If the answer is no, the subplot may not be necessary.
A strong subplot might:
- Change a character’s decision
- Reveal important information
- Create a new conflict
- Strengthen relationships
- Influence the ending
For example, a romance subplot should not simply exist because two characters are attracted to each other. It should affect their choices, their growth, and the outcome of the story.
Avoid Common Subplot Problems
Too Many Subplots
More is not always better.
Too many side stories can:
- Slow the pacing
- Confuse readers
- Take attention away from the main conflict
Choose the subplots that add the most emotional impact.
Subplots That Disappear
If you introduce a subplot, readers expect some form of resolution.
A character searching for their missing sibling should not be forgotten halfway through the book.
A mysterious magical ability should have a purpose.
A romance should develop or intentionally change.
Subplots That Feel Separate
A subplot should feel connected to the same story world.
If your main character is fighting a magical war, a random side story about an unrelated event may feel distracting.
Look for connections.
How to Plan Your Subplots
Try creating a simple subplot map:
Main Plot:
- What is the main conflict?
- What does the protagonist want?
- What happens if they fail?
Subplot One:
- Who is involved?
- What do they want?
- How does it affect the main story?
Subplot Two:
- What emotional journey happens?
- What does the character learn?
- How does it connect to the theme?
You do not need every detail planned before writing, but understanding the purpose of each subplot helps keep your story focused.
Let Subplots Support the Heart of Your Story
The best subplots are not distractions. They are the threads that weave your story together.
They show readers who your characters are when they are not fighting the main battle. They create emotional moments, reveal hidden truths, and make fictional worlds feel real.
Whether you are writing fantasy, romance, mystery, or any other genre, meaningful subplots give your story more depth.
A powerful story is not just about what happens.
It is about who changes, what they lose, what they discover, and the connections they make along the way.
Writing Prompt:
Take your current story idea and create three possible subplots. For each one, answer:
- Who is involved?
- What do they want?
- What conflict do they face?
- How does this subplot change the main story?
Happy Writing ^_^
Sara's Writing Sanctuary 