Buried alive 1990

Joiner Clint Goodman is a man that has built his comfortable house and his construction company in his hometown through hard work. He loves his wife Joanna, but they have been trying unsuccessfully to have a baby. Clint's best friend is Sheriff Sam Eberly and every now and then they spend the night fishing in the lake. Clint does not suspect that Joanna is having a love affair with the local doctor Cortland 'Cort' van Owen. The lovers plot to kill Clint and sell his company and his house, then move to New York City. Cort gives poison to Joanna and she spikes Clint's wine with it. Clint has a heart attack and is immediately buried without autopsy in a cheap coffin. During the night, Clint wakes buried alive, but he succeeds in escaping. He goes to his house and he finds the truth about his wife and the doctor. Furthermore, he learns that Joanna was pregnant and Dr. Cort had conducted an abortion of his child. Clint plots a dark revenge against Joanna and Cort.