The second teaser delves more into the conspiracy plot for the president's assassination and showed JYJ's Yoochun going undercover to protect the president. The teaser also points out that someone has to die in this dangerous conspiracy mission. 'Three Days' was written by writer Kim Eun Hee, who wrote 'Sign' and 'Phantom', and PD Shin Kyung Soo from 'Deeply Rooted Tree' is also working on the drama. The 16-episode drama is about the president going missing after three shots were heard and the bodyguards' race to find the president. Yoochun will play an elite bodyguard in the drama, Sohn Hyun Joo plays the president, Park Ha Sun a local police detective, and Yoon Je Moon the president's chief secretary. Check out the thrilling teaser above, while you wait for the drama's premiere on March 5!