Example plot. Names and scenes are made up to show how Ticketyboo's twin strands could braid. Edit anything, or start from a blank board.
Problems
Reading the board
Each strand is one thread. Columns are chapters.A crossing: the scene touches another strand.A setup arcing to its payoff. Red means the payoff comes first.Click an empty slot to add a scene there. Click a strand name to rename or recolour it.