Single mother Lin Wan unexpectedly reunites with old acquaintance Cheng Yan while saving someone. A misunderstanding caused the two to part ways for six years, during which Lin Wan stubbornly raised her son Xiao Man alone, making a hard living by running a street stall. After the reunion, past estrangement and harassment from others follow one after another. Little Xiao Man, who carries a secret about his family background, along with the quirky Duo Duo, turns into divine assistants. The two who once harbored prejudice against each other slowly untangle the sealed misunderstandings amidst repeated conflicts and overcoming hardships side by side. The proud Cheng Yan puts down his halo to learn to protect, while Lin Wan steadfastly guards herself and keeps growing, rushing toward the warm ending that belongs to them amidst the everyday hustle and bustle.