Mad Dog: 'I take you from a two-bit joint and make you a class act, and you want to make me second rate? If I even SMELL Kitty, I'll bury the two of you.' You know where, after you get Bunny out of there. As the episode closes, Eustace futilely asks Muriel for a bobby pin as he struggles to repair the furnace.Д¬harlie: 'He and his gang live down the road. Courage returns home in the morning to Muriel, who tells him that Eustace now uses the mask Kitty left behind as protective gear for dangerous projects. As the train speeds off into the night, the happily reunited pair thank Courage for his help, with Kitty finally acknowledging that not all dogs are bad. As Courage and Bunny have escaped the clutches of Mad Dog, they hear Kitty distantly crying out Bunny's name and pulls Bunny onto the train's caboose with her. To rescue Bunny from being run over, Courage jumps into Mad Dog's car and accidentally drives onto the railroad tracks, where they get smashed by an AmtrakВ passenger train which gravely injures a hysterical Mad Dog and Courage, who survives.Д«ack home, Muriel and Eustace have reconciled over their fight. Courage then saves her from Mad Dog and get involved in a high-speed chase as they bolt towards the train. Courage soon finds Bunny who was initially apprehensive of him for being a dog until she sees her gift to Kitty. Kitty escapes the room by climbing out the window and begins searching for her stolen toy mouse, who correctly assumes was snatched by Courage. Muriel and Eustace fight over Kitty's criticisms at dinner, and as if proving her point, Eustace is unable to unlock the door and almost detonates a hefty pile of explosives before Muriel hands him a bobby pin to unlock the door. Courage frantically tells Muriel and Eustace that the Mask is an evil monster to no avail so, in an attempt to protect them, Courage locks his owners and Kitty in their rooms while he steals the latter's toy mouse, supposedly as evidence for the police.Д¬ourage drives to the diner and learns from Charlie the Mouse that Mad Dog has been keeping Bunny in his apartment while Muriel, Eustace, and Kitty try to break out of their rooms. Once Kitty takes off her mask, Courage is terrified to learn she is actually a cat and becomes wholly convinced that the mask is evil as he begins to generate frightening thoughts. As everyone prepares for bed, Courage spies on Kitty to see her with a toy mouse that was a gift from Bunny. Muriel replies that eventually everyone must face reality to which Kitty retaliates by highlighting their own issues, such as Muriel's nightly habit of excessively consuming sweets and Eustace's embarrassing incompetence at repairs.ДЄfter eating, Muriel prepares a room for Kitty in the garret.

Kitty responds that she wears it because she is incapable of dealing with reality. At dinner, Eustace comments on Kitty's mask again which prevents her from drinking or eating. At this point, Eustace tells her to remove her mask to which Kitty angrily responds by smashing her plates off the table and utters her hatred for dogs.ДЄfterwards, Kitty opportunistically attacks Courage while he watches television alone in the living room and later when he is unplugging the toilet in the bathroom. Since then, Kitty has been drifting from place to place while lamenting that she will never see Bunny again. Upon realizing Mad DogвЂ™s true colors, Bunny tried to flee but was eventually overpowered and restrained by Mad Dog, who threatened to kill her and Bunny if Kitty ever returned. She explains to the Bagges about her best friend Bunny, who entered an abusive relationship with the gangster, Mad Dog. Over lunch, the masked woman reveals her name is Kitty. Muriel then invites the Mask to stay over at the farmhouse. When Muriel comes out, she is oblivious to the Mask attacking Courage and misidentifies that they are playing together as friends. A woman wearing a mask appears out of the horizon and proceeds to repeatedly whack him with a washbasin as she menacingly proclaims that 'all dogs are evil'. The episode begins with Muriel collecting eggs inside the henhouse while Courage peacefully naps on the nearby ground.

Fearing the safety of his owners, Courage must repair the root of her problems so she can leave.

A masked woman with a mysterious past comes to the Bagge's farm and begins attacking Courage.

The mask dog