The buildings supervisor Meyer has after many years of fateful service, decided that the time has come to enjoy his retirement.

The house at Christianshavn gets a new owner.

Olsen unwittingly gets involved in a major case of art theft.

The apartment in the attic gets a new tenant, the widow Mrs. Hammerstedt.

Gambling debt is a matter of honour, and unfortunately for Mrs. Hammerstedt, her deceased spouse managed to accrue a lot of it. The house rallies behind her and hatch a plan for how she can get the money back.