Signal backdrop

Signal S1E4 — We Found the Killer

8.2

Signal•Season 1•Episode 4

We Found the Killer

8.2/10 · 269 votesJan 30, 201665 min

Ranked #2 of 16 in Season 1•+0.3 vs season avg

The ninth victim is Won-kyung, the woman Jae-han loves. A driver turns himself in, but Soo-hyun and Jae-han determine that his son is the real killer.

Directed byKim Won-suk

Previous episodeE3 · We Can Prevent the Killings Next episodeE5 · Changing the Past Alters the Present

Seasons2

Season 1 Episodes16

You're Doomed still

You're Doomed

We Still Have a Chance still

We Still Have a Chance

We Can Prevent the Killings still

We Can Prevent the Killings

We Found the Killer still

E4 8.2Now viewing

We Found the Killer

Changing the Past Alters the Present still

Changing the Past Alters the Present

Catch Him by All Means still

Catch Him by All Means

We Must Dig Deeper still

We Must Dig Deeper

How Are You Alive? still

How Are You Alive?

Hongwon-dong Case still

Hongwon-dong Case

Someone Has to Stop the Bad Guys still

Someone Has to Stop the Bad Guys

The One Last Case still

The One Last Case

The Case Was Manipulated still

The Case Was Manipulated

The Real Assailant still

The Real Assailant

Not Now, but Maybe in the Past still

Not Now, but Maybe in the Past

Is It Really You? still

Is It Really You?

If You Don't Give Up still

If You Don't Give Up

Cast11

Lee Je-hoon

Lee Je-hoon

Park Hae-young

Kim Hye-soo

Kim Hye-soo

Cha Soo-hyun

Cho Jin-woong

Cho Jin-woong

Lee Jae-han

Jang Hyun-sung

Jang Hyun-sung

Kim Bum-joo

Jung Hae-kyun

Jung Hae-kyun

Ahn Chi-soo

Kim Won-hae

Kim Won-hae

Kim Gye-chul

Jung Han-bi

Jung Han-bi

Oh Yoon-seo

Lee Yoo-jun

Lee Yoo-jun

Jung Heon-gi

Kim Min-gue

Kim Min-gue

Hwang Ui-kyung

Kang Chan-hee

Kang Chan-hee

Park Sun-woo

Im Hwa-young

Im Hwa-young

Cha Soo-min

Crew1

Kim Won-suk

Kim Won-suk

Director

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"We Found the Killer" is episode 4 of Signal season 1. It scored 8.2/10 from 269 votes, ranking #2 of 16 episodes this season (season average 7.9). Directed by Kim Won-suk, it aired on January 30, 2016.

Next: E5 · Changing the Past Alters the Present Best of Season 1