The Closer - Season 02 - Episode 04 - Aftertaste

Brenda probes the murder of a young woman at a high-priced restaurant. Among the suspects are a corrupt investor, who had previously been investigated for murder, and her husband, an ambitious chef. As the case unfolds, Brenda learns that the victim may have used unconventional means to advance her career and that of her husband. Meanwhile, Brenda must also cope with a major landmark in her life: her 40th birthday. She attempts to hide it from the squad, but their analytical skills eventually uncover her secret.