There are essentially three plots running on parallel courses here, the two fleshed out in that synopsis as well as a third revolving around two small town analysts (Finn Wittrock, John Magaro) and a banker - turned - paranoid - environmentalist (Brad Pitt) who make the biggest play against the housing market out of all of them. (moviefreak.com)
Though we exist in different realms, our lives, accomplishments and sojourns have run parallel courses throughout time. (ianalex.com)
A levee, floodbank or stopbank is a natural or artificial embankment or dike, usually earthen, which parallels the course of a river. (sciencedaily.com)