The marketing plan aims to sign up 230 new students for Udacity's Digital Marketing Nanodegree (DMND) program within one quarter with a $50,000 budget. The target persona is Sandra, a 38-year-old married woman with 1 child seeking to change careers to digital marketing. Three marketing tactics are outlined: awareness, interest, and desire. Budget is allocated across channels including Facebook, AdWords, display, and video ads. The plan is to generate over 90,000 site visits with an overall ROI of $18,770. Recommendations include expanding to additional channels and platforms.