Once again, Kaitou Kid has boldly challenged the authorities by setting his sights on the world-famous Russian Imperial Easter Egg. The police in Osaka are acutely aware of the timing and location of his planned heist, and are racing against the clock to thwart his efforts. However, this time, Kid may have underestimated the challenge he faces, as Conan Edogawa, Heiji Hattori, and others also enter the fray in pursuit of this priceless treasure. As tensions mount among the hunters, a series of linked murders connected to the egg begin to occur. Meanwhile, the secrets of the Romanov Dynasty, long shrouded in mystery, begin to unravel. Amidst this chaos, Conan must shoulder the weighty responsibility of solving the gruesome murders, capturing Kid, safeguarding those dear to him, and guarding his true identity from discovery.