Return of Fortunate Bok follows the life of Bok Dan-ji, a hardworking woman who works as a bus driver for a private school. Despite her difficult circumstances, she remains optimistic and dedicated to her family. Her life takes a dramatic turn when she encounters Han Jung-wook, a man from a wealthy background who is struggling with his own personal and familial turmoil. As their paths cross, Dan-ji becomes entangled in the complex power struggles and secrets of a powerful conglomerate family. The series explores themes of social class, betrayal, and the resilience of the human spirit as Dan-ji fights to protect her loved ones and uncover the truth behind the injustices she faces. Through her journey, she discovers the true meaning of family and finds an unexpected path to love and redemption.