Are you using any type of workout nutrition? In the article, I discussed how the carbs that are part of the workout nutrition function as a type of "carb up". If you're not getting any carbs in shake-form when you're training, I'd consider having some carbs either with breakfast or with the meal immediately before or after your weight training. Depending on your size and training, it could be once a week to start or only on training days.
What's you're current height and weight?
I'm confused as to how progress can come to a "screeching halt" after five (or even seven) days on a plan. What does that mean?
Exactly how much progress did you see (as in, what did you weigh seven days ago and what do you weigh today?)
Also, are you tracking inches lost as well as bodyweight? Simple scale weight isn't always an accurate indicator.
Like Diana said, we'd need to know exactly how you're training (days, exercises, sets, reps, and cardio) and your current general condition (honestly - very chubby, a little soft, in good shape already, etc.) The more info we have, the more we can help.