A single mom with an exceptional mind is recruited to the LAPD Major Crimes unit, where her unconventional knack for solving crimes leads to an unusual and unstoppable partnership with a by-the-book seasoned detective.

Morgan's intellect and cleaning experience prove useful when the detectives are called to a hotel room murder scene, eventually uncovering the victim's many cons. Morgan navigates Ava's dating while Soto reveals details about Roman's disappearance.