Her life with her husband was smooth and comfortable, filled with happiness and without a single want. Yet, she continued to feel a lingering sense of emptiness. Then one day, a sudden phone call came—on the line was her former upperclassman from ● High School, the very person she once loved as her first love. Just hearing his name made her heart race, reawakening long-buried feelings. Unable to suppress her emotions, she decided to meet him despite feeling guilty toward her husband. As new emotions began to stir, her life was suddenly headed toward an unexpected turning point.