Ittefaq (1969)

Dilip Roy is a painter who is accused of killing his wife during the court judgment the judge finds him insane and orders to put him in mental hospital.On a stormy night Dilip runs from the hospital and takes shelter in the house of a lonely woman Rekha whose husband Jagmohan is out of the house most of the time,Dilip takes Rekha at the gun point and asks her to be quiet and not to tell anyone about him.Dilip and Rekha find that they both are disturb in life and share their feelings.Rekha tries to escape from the house after putting Dilip to sleep,Dilip sleep breaks and he tries to find Rekha in the house to his surprise he finds the dead body of Jagmohan in the bathroom but Rekha denies any such thing and tells him it was just his assumption,The mystery revolves weather Dilip really killed his wife and is Jagmohan dead.