Crazier Than the Crazy (1972)

Poor Pelopidas, a brilliant dentist and widowed father of three, has got a lot on his plate. As Pelopidas tries his best to deal with his unruly children, the sudden arrival of statuesque Carolina, the beautiful daughter of an old expatriate friend, will further complicate things, paving the way for unexpected, long-forgotten emotions. Now, mature Pelopidas is making plans for the future. But what happens if charming Carolina has already found her soulmate?