Amber and Marcus claim Marcus’ ex-wife, Cari, is jealous of their relationship and does whatever she can to keep them estranged from Marcus’ 10- and 12-year-old sons.

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“The very first time I met Cari, she told me to stay away from her kids, ‘You bitch,’” Amber claims.

“Cari is controlling, vengeful, manipulative,” Marcus adds. “She doesn’t allow for normal co-parenting. Even a simple task turns into a big ordeal.”

WATCH: Woman Claims Her Ex And His New Wife Are Trying To Take Her Kids From Her

The couple claims that Cari has Munchausen’s syndrome and Munchausen by proxy and say they fear for the safety of Marcus’ sons.

“Cari’s always saying her kids are sick. If the boys are sick, have a cough, her first reaction is to take them to the emergency room,” Amber says, adding that the boys take numerous medications and have been absent from school 71 times in a year. “Cari brainwashes the boys every chance she gets.”

Cari claims her ex tends to be “volatile,” and says Amber is trying to take her sons away from her.

WATCH: Woman Describes Ways She Believes Her Ex And His Wife Are Toxic For Her Sons

Marcus, who says he’s angry his sons are caught in the middle, turns to Dr. Phil for help. “I believe they’re in an unhealthy situation with Cari. Right now, I’m at a point where I’m willing to fight hard for full custody.”

On Friday’s episode, hear from Cari. Can Dr. Phil help these parents come up with a plan to co-parent in peace? Check here to see where you can watch.

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