Ep 9. Welcome to the Haunted Hotel

Lupin the 3rd Part 4 follows the adventures of suave thief, Arsene Lupin III, as he travels the world stealing precious treasures. In season 1 episode 9, "Welcome to the Haunted Hotel," Lupin and his gang find themselves on the hunt for a rare diamond known as the "Eye of the Sirin" that is said to be hidden in a haunted hotel.

The episode begins with Lupin and his team arriving at the eerie hotel located in the middle of a dense forest. While walking through the empty halls, they encounter a creepy old man who warns them about the hotel's cursed history and how it is guarded by the ghost of a young girl. Despite the warning, Lupin remains undeterred and sets out to find the diamond.

As they explore the hotel, the gang discovers that it is filled with traps and puzzles designed to keep intruders out. Jigen, Lupin's sharpshooter partner, almost falls prey to a trap while trying to retrieve a key, but Lupin quickly comes to his rescue. They finally reach the room where the diamond is supposed to be stored, but are confronted by an unexpected adversary: a female thief named Ami Enan.

Ami reveals that she has been after the diamond as well and proposes a temporary alliance with Lupin to retrieve it. Lupin agrees, and the two team up to navigate the rest of the hotel's treacherous obstacles. Together, they solve the puzzles and traps and finally reach the treasure room. However, they find that the diamond is not the only thing waiting for them inside.

As they reach out to grab the diamond, they are attacked by a swarm of insects and discover that the diamond is actually a fake. Ami disappears with the real diamond, leaving Lupin and his gang empty-handed. In the end, Lupin and his team barely escape the hotel and make a hasty retreat.

"Welcome to the Haunted Hotel" is a thrilling episode that keeps viewers on the edge of their seats. The haunted hotel setting adds an eerie atmosphere to the show, and the traps and puzzles test the protagonists' ingenuity and quick thinking. The introduction of Ami Enan also adds an interesting dynamic to the show, as she is a worthy adversary to Lupin and adds a touch of intrigue to the plot.

Overall, Lupin the 3rd Part 4 season 1 episode 9 is a must-watch for fans of the show, and a great introduction to the series for newcomers. The episode's clever puzzles, exciting chase scenes, and unexpected twists make for a thrilling ride that will keep viewers hooked until the end.