Bong Soon - a Cyborg in Love

Joo Sung senses that something is off about Bong Soon at the hospital.

Joo Sung remembers Bong Soon's origin, and learns that his illness is progressing quicker than he thought.

Joo Sung and Bong Soon go on a date.

Director Byun tells Joon Sung that he's brought back an old friend to replace him.

Bong Soon tells Director Byun about her new romantic relationship with Joon Sung.

Joo Sung asks Bong Soon to move in with him.

Bong Soon runs away after overhearing the truth.

While threatening Joo Sung to return Bong Soon, Director Byun reveals that Joo Sung has Alzheimer's disease..

Knowing the end is near for both of them, Joo Sung makes a day out of his goodbye with Bong Soon.

Joo Sung appeals to Director Byun one last time, while Seo Hee moves forward to erasing Joo Sung from Bong Soon's memory.