Lee Ha-yeon is the wife of the heir to Ilsin Group and she has it all: a fancy penthouse, a luxury car and everything else. Lee Ha-yeon gets discovered poisoned and dead in a hotel room. Investigations take place under secrecy and out of ears from the media. But the case is mysterious. No prints of the murderer is found in the hotel room. There are not signs of broken entry eit..男主是少见的活泼聪明侠气人设，女主也机灵，前期很多搞笑元素很有意思，小套路小反转不断，