Krysti and her husband, Jacob, along with infant son, Liam, live with Jacob’s parents. Jacob’s sister, Ashleigh lives there too.

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In the video above, Krysti says she suspects Ashleigh is abusing drugs. “Ever since my husband and I moved in six months ago, we’ve had prescription pills go missing, we’ve had money go missing, and Ashleigh has been acting very strange.”

WATCH: Woman Claims Sister-In-Law “Begs For Attention” And Lies About Past Abuse

“Krysti knew I was addicted to pain pills in the past and so when things started going missing - it was just an easy out to blame me,” says Ashleigh. She says she took a drug test to prove she’s clean. Ashleigh also claims Krysti got her fired from her job as a babysitter.

Krysti says she doesn’t feel baby Liam is safe with Ashleigh around.

WATCH: ‘I Never Had Any Plan Or Intentions To Kidnap My Nephew,’ Says Woman Whose Sister-In-Law Accuses Her Of Plotting To Steal Her Baby

She says if her mother-in-law, Kristen, doesn’t kick Ashleigh out of the house, she’s going to take her baby and move out.

On Monday’s Dr. Phil, Kristen says she’s being asked to make an impossible choice, between her daughter and her daughter-in-law. “This pain is just excruciating, and I’m afraid of what the aftermath is going to be.” Later, the results of a drug test reveal the truth about Ashleigh’s alleged drug use.

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'I Never Had Any Plan Or Intentions To Kidnap My Nephew,' Says Woman Whose Sister-In-Law Accuses Her Of Plotting To Steal Her Baby