In the season four premiere, Melissa nabs a robbery suspect at the scene; Tracy draws her taser in a standoff against a defiant man; Mia & Sara pepper-spray an uncooperative suspect; Beth discovers narcotics, and a whole lot more, on suspected drug dealers.

Tracy finds herself alone in the middle of an all out neighborhood brawl. Melissa chases down a man accused of choking his girlfriend. Mia & Sara give a life lesson to an at-risk youth. Beth narrowly dodges a collision with a suspicious driver.

Tracy takes down a belligerent drunk woman; Mia and Sara get a mouthful from a man with warrants; Melissa races to a disturbance involving a man with a loaded rifle; Beth tries to scare a young prostitute straight.