Complex sentence: After the medicine wears off, Conan rendezvous with Ran and Kogoro to visit the Sherlock Holmes museum; there, Ran phones Shinichi (Conan using his voice-changing bowtie) and is upset about his apathy.
Split into simpler sentences: After the medicine wears off, Conan rendezvous with Ran and Kogoro to visit the Sherlock Holmes museum. There, Ran phones Shinichi (Conan using his voice-changing bowtie) and is upset about his apathy.