Poison Ivy is a provocative and disturbing movie that explores the intense relationship between a troubled teenager and an older man. Ivy, a seductive and manipulative teenage girl, befriends a lonely woman whose daughter committed suicide. As Ivy becomes more entangled in the woman's life, her actions become increasingly dangerous, leading to devastating consequences.

A college student named Daisy joins a secret society known as the Poison Ivy Society. As she becomes more involved, she discovers the dark secrets and manipulative nature of the society. Daisy finds herself caught in a web of seduction, blackmail, and mind games as she grapples with her own desires and the dangerous world she has entered.

After a troubled past, Lily moves to Los Angeles to start a new life. She becomes involved with an older artist, Ivy, who introduces her to a world of lust and obsession. As Lily falls deeper into Ivy's web, she must navigate dangerous waters to protect herself.

After being released from a mental institution, a manipulative woman named Ivy moves in with her cousin and his wife. She entices the husband into an affair while plotting to murder his wife.