Ayumi is sick and is at home with a sore throat. Her mom left the house to go somewhere and a daring thief breaks into Ayumi's house hoping to find money. Ayumi has to warn Conan and the others through her Detective Boys Communication Badge without m... (more)aking a sound since she might alert the thief and that she has a sore throat. Will Conan and the Detective Boys save Ayumi in time?