It starred Park Yoo - chun , Shin Se - kyung , Namgoong Min and Yoon Jin - seo .
It aired on SBS on Wednesdays and Thursdays at 21 : 55 for 16 episodes from April 1 to May 21 , 2015 .
Starring Park Yoo - chun , Shin Se - kyung , Namgoong Min and Yoon Jin - seo , it aired on SBS on Wednesdays and Thursdays at 21 : 55 for 16 episodes from April 1 to May 21 , 2015 .