The episode revolves around Orange and his friends visiting Professor Plum's mansion for a dinner party. However, upon arrival, they discover a series of mysterious events, including a power outage and the gruesome "murders" of various fruits. As the group tries to figure out who the killer is and why they're doing it, they begin to suspect each other. Orange eventually solves the mystery by realizing that Professor Plum faked his own death and disguised himself as Marshmallow to carry out the "murders" as part of his thesis presentation on theatrical design. However, it's revealed that the "murders" were actually just special effects, except for Apple's, whose fate remains unknown. The episode ends with Orange and his friends escaping the mansion and returning to their fruit stand, while Professor Plum is left to deal with the consequences of his failed thesis presentation.
Here are the key facts extracted from the text:
1. A group of fruits, including Orange, Apple, Pear, Grapefruit, and Marshmallow, are invited to Professor Plum's dinner party.
2. The group's cart crashes on the way to the party due to Orange's distraction.
3. The group decides to proceed to the party on foot.
4. Upon arrival, they meet Professor Plum, who is a professor of theatrical design and is pursuing his master's in costuming.
5. During dinner, the power goes out, and the group discovers that Professor Plum has been murdered.
6. The group begins to suspect each other of the murder, with accusations flying back and forth.
7. They discover a series of clues, including a meat cleaver display and a fruitprint, that suggest the killer is still among them.
8. The group eventually discovers that Professor Plum is not actually dead, but had faked his own death as part of a thesis presentation.
9. The real Marshmallow is found to be alive and well, having wandered off after a butterfly.
10. The group escapes the mansion, but not before Professor Plum's plan is foiled.
11. The cart is repaired, but the pilot is still inexperienced.
12. Orange deduces that the murderer was not Marshmallow, but Professor Plum, due to a series of clues, including the fact that Marshmallow would not say "pop."
13. Professor Plum is revealed to be a serial killer, but his crimes were actually just special effects for his thesis presentation.
14. Apple's murder was not a special effect, and his fate is left unknown.
15. The group escapes the mansion, and Orange and another fruit share a romantic moment.
16. The episode ends with the group laughing and preparing to leave the mansion.