Pitkin County Chief Deputy District Attorney Arnold Mordkin didn't elaborate.
Felony menacing and criminal mischief charges will be dropped as part of the plea deal, and during Sheen's jail term, the actor will be released during the day to work at Theatre Aspen, according to Yale Galanter, an attorney for Brooke Mueller.
The deal calls for Sheen to serve a 30-day sentence and three months probation, said Galanter.
During the jail term Sheen would be released during the day so he can work at the Colorado theatre. He could leave the jail for work at 8 a.m. and would have to return by 8 p.m.
Paige Price, the theater's artistic director, said Sheen had agreed to work for free. His duties would include teaching a class for professional actors and possible fundraising for the nonprofit.
A judge must still approve the agreement. The hearing set for Monday was continued until July 12.
The charges stemmed from an argument he had with Mueller on Christmas Day at an Aspen home where they were on vacation. She said he straddled her on a bed with one hand on her neck and the other holding a knife.
Within a week of his arrest, Sheen and his wife both said they wanted to reconcile. In February, they hugged in an Aspen courtroom after a judge modified a restraining order that had kept them from contacting each other.
Since the incident, both have completed alcohol rehab programs, and Galanter has said they've been sober for months.
Mueller previously asked prosecutors to drop the charges against Sheen, but they refused. The 44-year-old actor has taken anger management classes and presented evidence Monday that he completed a 36-hour course.
The star of the hit CBS show "Two and a Half Men" has pleaded not guilty to menacing, criminal mischief and assault charges. The menacing charge is a felony that carries a prison sentence of up to three years.
Sheen agreed last month to return to the show for two more seasons.
The Associated Press contributed this report.
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