No Secrets 1991 on netflix

Three childhood girlfriends reunite at the parents’ remote cottage where they try and come to grips with their separate development and diverging interests. Then a man with a secret shows up and lies his way into their situation. They take turns falling in love with him and then suspecting he is not being level with them, which causes a strain in their already strained relationship. Eventually they must make a decision on whether to get rid of him or flee.