Park Jung-woo's picture-perfect life makes a devastating reversal on his daughter's birthday, and an act of wrath leads to deception.

In a desperate hunt for answers, Jung-woo gets creative with the investigation on Min-ho and deals with a new reality, as well as an ally from his past.

Jung-woo has break in the case and Min-ho makes a bold sacrifice. Seo Eun-hye goes to work and Jung-woo stages a rebellion.

A prison reunion alters Park Jeong-u's need for the truth; Seo Eun-hye questions Kang Jun-hyeok's intentions; Cha Min-ho must face and surmount with his fears.

While a crucial piece of evidence threatens Kang Jun-hyeok's career, Park Jeong-u fulfils a prison yard request; Cha Min-ho is tested to his limits.

Prosecutor Park Jung-woo finds himself convicted of a crime he has no memory of committing. He must now find the truth about his condition and prove his innocence.