[s4e18] Hack-san -
In the Miraculous: Tales of Ladybug & Cat Noir episode (Season 4, Episode 16—though often listed as Episode 18 in different regions), Marinette is forced to trust someone else with her Miraculous for the first time. Plot Summary
: The villain uses a sentimonster virus (the eponymous "Hack-San") to manipulate technology, showcasing a more technical approach to his attacks. [S4E18] Hack-San
Marinette has to leave Paris for a family trip to visit her aunt in London. Worried about leaving the city unprotected, she entrusts the Ladybug Miraculous to her best friend, , who transforms into a new superhero named Scarabella . In the Miraculous: Tales of Ladybug & Cat
: Cat Noir is initially taken aback by working with a replacement for Ladybug but must learn to coordinate with Scarabella to defeat the digital threat. Worried about leaving the city unprotected, she entrusts