Synopsis：After losing her husband, a quiet painter devotes herself to raising her daughter alone. Her carefully controlled life unravels when her daughter’s friend appears and confesses, “Professor, I can’t get you out of my mind.” Drawn into a forbidden romance, she tastes happiness again—until her daughter discovers the affair. Then comes the final blow: the young man’s father is her first love from years ago. With four hearts entangled in desire, guilt, and betrayal, emotions explode—and no one walks away unscarred.