Jane asks Lt. Martinez for help on a case but he then appears to thwart her progress on Rizzoli & Isles. "Built for Speed" is the tenth episode of the show's fourth season.

Rizzoli & Isles Season 4 Episode 10 Quotes

Maura: I think he's sexy.
Jane: He thinks he's sexy too.

It is nothing to be ashamed of. Most women experience a sexual rush around bad boys.