A two episode story arc. Conan, Ran, and Mouri are on their way to a concert when they run into Ms. Zendai. She needs a ride to the concert and Mouri needs an extra ticket, so Mouri agrees to give her and her sister Mina a ride in exchange for their extra ticket. When they arriveat Mina's house, Mina is nowhere to be found. Ms. Zendai finds the bathroom door closed, apparently sealed shut from the inside. They break open the door to find Mina dead, apparently of suicide.
