Even the best memories can become indistinct, like a droplet falling into the sea.

After a drowning accident, Mercury awakes from her coma only to find her boyfriend, Mark has left her to go to Japan. She can’t remember anything, let alone a reason why he would leave her. As she slips back into being comatose, pieces of the day of her accident return. Her desperate search for her memories brings her on a surreal journey to find the truth.