In the movie The Accidental Detective 2 a comic book storekeeper, Dae-man, and the legendary homicide detective, Tae-su, who met on previous case quit their jobs to open a private detective agency.
Despite their high hopes, they soon find themselves with only trivial cases such as spouse infidelity, unpaid debt, and missing cats. Then one day, a woman walks into the office, wanting to find the truth behind the death of her fiance.
Not only that, she also offers them a handsome reward of $50,000. Dae-man and Tae-su see it as an opportunity to put their true detective skills to work.
They bring onboard a third member, Yeochi, a Mensa genius and a small-time online private eye, and together they launch a full-fledged investigation on the case.
As they dig into what initially appeared to be a straightforward case, disturbing new evidence turns up.