Murder on a Honeymoon (1935) Plot Summary Explained

The body was stolen because the victim was not Roswell T. Forrest at all, but his bodyguard Tom Kelsey who had swapped identities with Forrest. The real Forrest was still alive and needed to stay hidden since he was a key witness in a crime syndicate case with a $10,000 price on his head. Stealing the body prevented authorities from discovering the swap and exposing Forrest's location.

• body theft
• identity swap
• Tom Kelsey
• Roswell Forrest

The body found on the plane belonged to Tom Kelsey, not Roswell T. Forrest. Kelsey was Forrest's bodyguard, and the two men had switched identities, Kelsey took Forrest's place on the flight while Forrest traveled separately under an alias. This explains why the so-called victim had a bodyguard and why the murder investigation initially focused on the wrong person.

• Tom Kelsey
• bodyguard
• identity swap
• victim

Kay Deving killed McArthur to cover up the conspiracy and claim the reward money for herself. She and her husband Marvin had planned to kill Forrest and claim the $10,000 reward, but when Marvin tried to double-cross McArthur (their employer in the scheme), McArthur killed him. Kay then killed McArthur to silence him and keep the money, framing it as suicide.

• Kay Deving
• McArthur murder
• revenge
• conspiracy payoff

The $10,000 was a bounty placed by a crime syndicate for information leading to the capture of Roswell T. Forrest, who was a key witness against organized crime. McArthur was collecting the reward for delivering Forrest, but Withers stole the envelope from the hotel mailbox before anyone could claim it, which fueled the conspiracy and put her in danger.

• reward
• bounty
• crime syndicate
• $10000

The poison was delivered through a cigarette. Withers discovered that someone had dropped a cigarette into the hotel pond, poisoning the fish. The same method was used on the plane, a poisoned cigarette given to the victim during the flight caused his illness and death. The killer used nicotine or a similar toxic substance to kill the bodyguard.

Foreshadowing: Earlier, Withers had noted that Forrest (the victim) had been given a cigarette during the flight, raising her suspicion of poisoning.

• poison
• cigarette
• murder weapon
• nicotine

Marvin Deving was killed because he tried to double-cross his employer McArthur. Marvin and his wife Kay had been hired by McArthur to help set up Forrest, but Marvin attempted to cheat McArthur out of the reward money by trying to reveal information to Inspector Piper first. McArthur silenced him by shooting Deving before he could talk.

• Marvin Deving
• double-cross
• McArthur
• murder

Roswell T. Forrest was a key witness in a major crime syndicate case. The criminal organization had placed a $10,000 price on his head, payable to anyone who could eliminate him or deliver information leading to his capture. This is why he swapped identities with his bodyguard and traveled under an alias, and why the killer targeted the wrong person on the plane.

• witness
• crime syndicate
• danger
• organized crime

Withers identified Kay by noticing the cigarette clue and observing Kay's behavior during questioning. When Withers offered Kay a cigarette, Kay initially refused but later produced McArthur's gun. Withers also realized that McArthur's pistol wasn't his own, he had been killed with someone else's weapon. Kay's attempt to shoot Withers and Piper when confronted revealed her guilt.

Foreshadowing: The dying fish in the pond revealed the poison method, and Withers noticed the pistol in McArthur's hand wasn't his own.

• clues
• cigarette
• gun
• identification
• investigation

McArthur was a gangster who orchestrated the plot to kill Forrest and collect the $10,000 reward. He hired the Devings to help carry out the scheme, supplied the poison, and handled the logistics. After the bodyguard was killed, McArthur tried to silence witnesses to prevent the conspiracy from unraveling, ultimately being killed by Kay Deving when she turned on him.

• gangster
• conspiracy
• employer
• plotter

Withers suspected poisoning because she had personally given the victim items during the flight, a drink, a cigarette, and smelling salts. She knew any of these could have been tampered with, and when the body was stolen before forensic analysis could be performed, it confirmed her suspicion that someone was covering up the murder method.

• poisoning
• suspicion
• evidence
• drink cigarette