After being missing for four months, not everyone is happy to see Ra Bong Hee, the lone survivor who can't remember anything about her ordeal.

Bong Hee starts to remember parts of the crash and what happened after. And she was not the only survivor of the crash.

Bong Hee tries to recover more of her memories. Tae Young is anxious to uncover what happened to his sister and offers to help Bong Hee recover her memories.