" in good hands" means under the guidance of or in the safe, competent care of someone. "He is in good hands" means that he will be safe with the person taking care of him and is managed or cared for with great attention. examples - Your car is in good hands. Your children are in good hands. " in safe hands " is also used in the same context - Don't worry ,our money is " in safe hands."

“We don’t have to worry about Jeffrey tonight. He’s in good hands. My sister is a really smart and responsible person. She’ll take care of him.”

he is in good hand hand "somebody is taking care of him as expected" - positive sense

It is a figurative expression, meaning that the person ('he') is in good care.