overplot
verb
over·plot ˌō-vər-ˈplät 
overplotted; overplotting
transitive + intransitive
: to plot (something) excessively
especially : to devise an excessively complex or elaborate plot for (something, such as a story)
overplot a novel
a writer with a tendency to overplot
Word History
First Known Use
circa 1904, in the meaning defined above