What if you were stranded on a remote island? In "Missing 9 ", a group of celebrities gets stranded on an uninhabited island without knowing the reason behind the crash. The nine survivors have to find their own food, shelter and anything else they need through sheer work and ingenuity. After four months since the crash and as the whole nation wonders about their fate, the only survivor La Bong-hee suffers from amnesia. What happened to the rest of the survivors? Bong-hee slowly remembers fragments of her memory and fate of the other eight survivors gets untangled. Nine survivors, one dead body and one surviving witness.