My mother fears for her life

This whole situation is the product of many years of lying. In short, my Mother fears for her life because my Father expects her to have 150 000€ in a bank account that doesn't even exist and wants to have the money in his hand by October.

I never thought all the lying would get this far, but it sadly did. I know this story will sound either far-fetched or something that can be resolved another way, but I made a promise to my Mother that I would post this.
My Father was always the only one who actually made money in our little family, whilst my Mother did all the work around the house. My Father thought that we were living off of basically nothing, but still had almost anything we wanted anyway. So he thought (and still thinks) that most of the money he made over these years was put away and never touched. (At least to my understanding this is what is going on)

Not long ago my Dad approached my Mom about wanting to see this money (which was supposed to be cash) and when my Mom refused to let him see it, he went berserk and rummaged my Mom's room looking for it. In the heat of the moment, my Mother made up a rather ridiculous lie, that she locked it in a bank account with an impossible large interest rate. (My Father doesn't really know current times interest rates, so that is how he believed it). She said that she made the account last October but didn't tell him out of fear. The money is supposed to be locked for 1 year, that is why she would need it by October.

She is very scared of my Father and her health is getting worse and worse from all the stress. She had two panic attacks in the last month, something she never had in her life before. She fears what he will do to her if he finds out or doesn't get the money. My Father apparently even spoke to her in detail about a dream, where she refused the money and he shot her (this was my Dad's dream).

I know the whole thing is ridiculous or not something that should be brought to this site, but she begged me to at least try here. I am also aware that the amount is very large and we're asking for a lot in general. However, if all this keeps continuing I fear that I will lose both of my parents. So, I came here for help, from strangers.

If it is possible I will try to make it so that the money goes to charities afterward, but I cannot promise anything. It would be impossible to express my gratitude to anyone who decides to help. Not only my gratitude but my Mother's as well.