Nana and Shota are a newlywed couple, with Nana being 15 years older than Shota. Nana works as a designer while Shota is a gym trainer. They both enjoy mystery. The newlywed couple moves into an apartment and attends a resident’s meeting there. Nana and Shota become involved in murder cases that unfold in the apartment. Residents are murdered one by one. Some residents have motives, but those suspects possess alibis. Because of this, no arrests have been made yet.
