Kogoro, Ran and conan are to visit the Nagato family manor to solve a difficult case requested by the chairman himself. When they arrive, they were surprised to find out that the chairman of the Nagato Group wants Kogoro to find his first love. That night, after the chairman's birthday party, a murder occurs and instead of the serach for the chairman's first love they face a more difficult and risky case. Will they be able to catch the culprit before he strikes again?
