"To follow the plan" means to stick to a specific set of actions, rules, or steps that have been previously decided or organized in order to achieve a goal or complete a task. Full definition
I find the most important thing for getting control of your debt is being consistent with following your plan of action. (thedigeratilife.com)
If you don't implement this step you are very likely to increase the time required to achieve your goals by following plans not designed for your level. (ashotofadrenaline.net)