Rising Damp (1974)

Ruth befriends a young couple who have moved in, fleeing from her disapproving father.

Rigsby convinces his new tenant, a pious Welsh student, that Philip is in need of spiritual guidance, but it's Rigsby who sees the light.

Rigsby persuades Ruth to impersonate his estranged wife so he can collect an inheritance from his great uncle.

Rigsby tries to find a woman through an ad in the personals column and receives a surprising response.

Rigsby persuades a tenant behind on his rent to hypnotize Ruth and plant the idea she's madly in love with Rigsby.

Rigsby finally proposes to Ruth when he receives his long awaited divorce papers.