Experience with termination/payment at Prisma Life?

Hello everyone, a few years ago my father signed a contract with Prisma Life for himself, my mother and me. The idea back then was simply to save something for the future in the long term and to make financial provisions. However, at the time he didn't have much experience with investments or capital investments and relied on the advice. Payments were made monthly over the years and the total has now reached a sum in the low six figures