Toxic is a 2010 thriller film. It was released direct-to-video on July 8, 2010. The movie is told with past and present cut up and mixed together, rather than chronologically. The story focuses on a girl name Lucille, who has a mental illness. After she kills a man, her mind takes on his identity and she starts to live life truly believing she is him.
Lucille has a mental disorder, which stems from her brother's death, which occurred when she was young, and which her father blamed her for, never forgiving her. It is never revealed how the brother died or why her father blames her but it made her mentally unstable.