Scorned 1994 Wikipedia - [2021]

Driven by grief and a desire for vengeance, Patricia adopts a new identity and infiltrates the Weston household by posing as a tutor for Alex’s teenage son, Robey. Her plan involves a methodical destruction of the family unit, which she executes by seducing Alex, his wife Marina (Kim Morgan Greene), and their son. The film concludes with Patricia successfully sowing discord within the family, leaving their lives in ruins as she continues her calculated revenge. Cast and Crew Scorned (1993) - IMDb

It also serves as a digital tombstone for the Direct-to-Video erotic thriller. These movies were the lifeblood of Blockbuster in the 90s, and Wikipedia is the only place preserving their chaotic legacies. scorned 1994 wikipedia

You think that’s the plot? No. That’s the . Driven by grief and a desire for vengeance,

The best part of the Wikipedia entry is how it tries to summarize the convoluted revenge scheme. One sentence reads: "Adrianna seduces her husband’s business partner, but then reveals she is actually working for the cartel, except she isn't—she's working for the FBI." Reading it, you can almost feel the editor sighing. Cast and Crew Scorned (1993) - IMDb It

God bless the internet.

According to Wikipedia, the plot involves:

If you only read the plot, you’re missing the fun. The Scorned Wikipedia page has a "Notes" section that does the heavy lifting.