Lovers and Other Strangers (1970)

Mike Vecchio and Susan Henderson are preparing for their upcoming wedding However they seem to be the only two people at the wedding that are happy Mikes brother Richie and his wife Joan are going through a divorce which is upsetting his overly devout Catholic mother Beatrice Also Susans father is carrying on an affair and her sex starved older sister Wilma is going through her troubles with her husband Johnny All this is going on while Mikes best friend Jerry is trying to bed the maid of honor Susans cousin Brenda