CHARLESTOWN — The Ponderosa Park man accused of stealing more than $300,000 from an elderly man he was supposed to be looking after is heading to court this week to change his plea to guilty, according to court records.

Ronald Morissette, 50, of 27 Ponderosa Park in Charlestown is charged with several class A felonies for the alleged financial exploitation of an elderly, disabled or impaired adult, according to court records.