On the Edge Feature Film

a story of 60 years old loner man decide to find a soul mate so he fall in love or thats what he think so with 25 years old who is got some issues but with really out going amazing girl and she feels its a challenge to give the relationship a try they start to get along till one day he propose and she accept but after this their life start to collapse dramatically and it effect their around and with a final decision what would it be , to get married or to not get married ?