While enjoying the peak of his life as a lawyer, Tae-seok encounters the biggest crisis of his life.

Having Alzheimer's disease is not a joke; Tae-seok's business card is found inside Dr. Kim's note.

Tae-seok carries on the negotiation, but Jeong Jin senses something different of him.

Eun-seon runs into a man leaving after placing flowers at the site of Dong-woo's accident.

Jin picks bones about Tae-seok's incident at Chan-moo; Tae-seok realizes he lost the patch.

When Seung-ho meets up with Tae-seok to confess, Eun-seon heads to the convenience store.