Jo Jin Woong died by being stabbed with a knife.

On the 16th episode of KBS Monday/Tuesday drama "Red Sun" broadcast on April 8th, Park Kang Jae (played by Jo Jin Woong) suffered a tragic ending because of Shin Pil Do (played by Jang Won Joong) and made viewers of sad.

On this episode, Park Kang Jae tried hard to keep Jung Se Ro (played by Yoon Kye Sang). However, knowing that he was betrayed, Shin Pil Do wouldn't leave Kang Jae alone. Pil Do called out Kang Jae to the shore. At this, inside the car, he swung a knife to Kang Jae.

In the end, Kang Jae died. However, before he died, he called Se Ro saying, "No need to come here. I took care of it all. I'm sorry. Thank you so much. You don't have to come here. Let's relax" and his last goodbye.

However, he couldn't call Jae In in the end. At that time, Jae In was pregnant with Kang Jae's child. So, it made viewers feel even sadder.