Bergerac (1981)

S1E9 Relative Values

The son of a quirky billionaire grows increasingly paranoid, convinced that his father's devoted housekeeper has sinister intentions to eliminate her employer and seize his wealth. As he investigates her activities, he uncovers a web of secrets and motives that challenge his perceptions of loyalty and greed. With time running out, he must navigate a dangerous game of deception to protect his father and unravel the truth behind the housekeeper's seemingly benign facade.