Can Detective Conan crack the case…while trapped in a kid’s body?

When ace high school detective Jimmy Kudo is fed a mysterious substance by a pair of nefarious men in black—poof! He is physically transformed into a first grader. Until Jimmy can find a cure for his miniature malady, he takes on the pseudonym Conan Edogawa and continues to solve all the cases that come his way.

The Junior Detective League takes action! While playing hide and seek, first-grader Amy discovers a chopped-off head. Will Conan and friends be able to save Amy from a serial murderer?

And when Richard Moore attends a reunion of his college friends, one of them ends up with a bullet hole to her temple and a gun in her hand. Was it suicide or murder?!

Later, Conan, Richard, and Rachel attend the birthday party of the daughter of a wealthy financier. But Conan's deductive skills are put to the test when the birthday girl ends up missing and someone turns up dead.