These following motives and suggestions can give you ideas for sub plots, or branch into a full story plot.
From the motive, to the obstacle, you then need to think: how is my character going to handle this obstacle? And what does this obstacle mean for the outcome?
MURDERING SOMEONE AND WANTING TO KEEP IT A SECRET:
– Someone your protagonist loves has found a clue
– Your protagonist has left a personal item at the scene of the crime
– Your protagonist gets drunk and confesses to a friend or relative
– Your protagonist saw a witness on the night of the murder but doesn’t know who it is, or if they’ll tell
TRACKING DOWN BIRTH PARENTS:
– A fire that has destroyed the records
– Language barriers or having to travel to dangerous areas to seek information
– The birth parents don’t want to speak to you
– The adopted parents aren’t helpful or being unable to find someone with information
– Useless lawyers and investigators
LEARNING TO LIVE WITH AN ILLNESS:
– Not having the financial resources
– Bad health insurance
– No friends or family support
ESCAPING A STALKER OR MURDERER:
– Corrupted police who dismiss the threat
– Not having enough finance to escape your current living situation
– The stalker or murderer is known to have his means and ways to find you no matter where you run
– Needing to stay close to home because of medical reasons
Unsure of who the stalker or murderer is
SEARCHING FOR A MISSING SPOUSE:
– Inner conflict – was she taken, or did she run away?
Inner conflict – what do I tell the children?
lack of financial resources to look
The authorities closing the case after a period of time
Clues that she or he may have fled
Protagonist no longer in love with spouse and having a secret affair