It appears that Hae-in's treatment may not work. Hae-in sobs as she prays, despite Hyun-woo telling her not to wish for death in a voice-over. She claims to recall a certain day with Hyun-woo. On the other hand, it might be a scenario just before the surgery, in which case she might be depressed about losing all of her memories and wonder if it would be better to die.