SurfSide 6 - Season 1 Episode 29 -

A performer in a water ski show is blackmailing her former boyfriend. He will lose a multi-million dollar inheritance if he gets married before the age of 30, but she discovers he secretly got married to a rival in the water ski show. When the woman turns up dead, Cha Cha's nephew, who had an almost obsessive crush on her, is implicated in the murder.