Based on the series by the popular Japanese novelist Keigo Higashino, this is a mystery drama that ‘faithfully but freely’ adapts the 3rd part in the series, . The story revolves around 3 characters: a woman who unwittingly killed her husband, a math genius next door who sets up a perfect alibi for her out of his attraction toward her, and a detective who closely traces her, finding the alibi suspicious.
Sometime in the future, mankind has depleted all energy and fuel sources, however they have engineered a way to use human excrement as fuel. To reward production, the government hands out extremely addictive, popsicle-like “Juicybars”, which in turn also act as a laxative. Aachi and Ssipak are street hoodlums who struggle to survive by trading these bars in the black market.
When Mong-lyong decides to take him under his wing, Bang-ja gets to share a room with the wise, MA. While sharing the room, MA teaches Bang-ja of all the arts of seduction. When strolling the park one day, Mong-lyong meets Chun-hyang, the daughter of the owner of the park, and he instantly falls in love and encourages Bang-ja to arrange a meeting with her. But Bang-ja’s feeling for her was also the same and he seeks advice from Ma. Ma tells him of Chun-hyang’s real intention to win over Mong-lyong for his social status. Without knowing, Mong-lyong urges for a second meeting with Chun-hyang. Bang-ja’s anger towards Mong-lyong for using his nobility to attract her heart triggers his plan to use Ma’s art of seduction. Successfully he wins her heart and body, but under the condition that he will help her to get married to Mong-lyong. Everything seems to go as planned but when Mong-lyong finds out their relationship, whole thing is about to go wrong.
Waikiki Brothers is a band going nowhere. After another depressing gig, the saxophonist quits, leaving the three remaining members to continue on the road. The band ends up at the lead singer’s hometown, which was a popular hot spring resort in the ’80s, but the return home is filled with reservations of previous and past disappointments, a lost love, unemployment and tragedy.
At a car accident site, Ji-Noo (Ryoo Seung-Bum), Na-Mi (Koh Joon-Hee), Jung-Sook (Ryoo Hyoun-Kyoung) and Yakuboo (Samuel Okyere) find a bag filled with money. They become involved in a dangerous case.
The perpetually rational and precise researcher Hyeon-cheol and the rash and reckless Dong-hwa have nothing in common with the exception of a goal to steal a corpse to serve their own twisted agendas. They set off on their bizarre mission and the plan goes smoothly until they’re faced with the unexpected appearance of Jin-oh and a mysterious group of men also on the hunt.