Crayon Shin-chan Spin-off 4x7

While Shinnosuke is relaxing at Fumie's home, he suddenly hears his missing mother Misae's voice calling him from somewhere. Convinced that he will find her at last, he dashes out alone and follows the voice to a deserted hospital. His mother's voice beckons him into the abandoned building, but he soon discovers that a shady monster tamer has lured him into a trap.