6.—Where an agreement to marry is terminated and it appears to the court, on application made to it in a summary manner by a person other than a party to the agreement, that a party to the agreement has received a benefit of a substantial nature (not being a gift to which section 3 applies) from the applicant in consequence of the agreement, the court may make such order (including an order for compensation) as appears to it just and equitable in the circumstances.