Mania: The Intruder (1986)

Anthology of four horror stories. In "See No Evil", a murder witness is framed for the murder by the killer. In "Intruder", a man is so terrified of his wife's guard dog that he tries to poison it. However, he soon realizes that he's misjudged the animal. In "Have a Nice Day", a blackmailer threatens a woman that she'll never see her young daughter again, unless she pays ransom. However, things are not what they seem. In "The Good Samaritan", a man saves a woman from a seeming attacker and lives to regret it.