Plot: A mysterious suicide occurs in a soon-to-be demolished villa located in the center of Seoul, and a huge legacy is left to Bok Gyu, a man who was completely unaware of his inheritance.
Plot: Flower Grandpa Investigation Unit is a 2014 South Korean television series starring Lee Soon-jae, Byun Hee-bong, Jang Gwang and Kim Hee-chul. It aired on tvN from May 9 to July 25, 2014 on Fridays at 21:50 for 12 episodes. Wikipedia