After 15 years at the post office, Beatrice discovers her husband secretly receives monthly letters from "M.J." She realizes he's been writing them himself—pretending to be his ex. Investigating, she uncovers the loneliness behind his lie. Instead of leaving, she confronts the truth and rebuilds their marriage.
Post Office Secret Letter is an English short drama in 35 episodes, originally released on Stardust in September 2026. Each episode runs about 1 minutes, and the whole series takes around 36 minutes to watch. It falls under Divorce & Exes, Mystery & Thriller and Marriage & Wedding. Viewers on Stardust rate it 8.0 out of 10. Every episode is free to watch on DramaDog, with no app or sign-up.
