Laura Diamond is a brilliant NYPD homicide detective who balances her 'Columbo' day job with a crazy family life that includes two unruly twin boys and a soon-to-be ex-husband (also a cop) who just can’t seem to sign the divorce papers. Between cleaning up after her boys and cleaning up the streets, she’d be the first to admit she has her 'hot mess' moments. Somehow, she makes it all work with the help of her sexy and understanding partner, and things becomes even more complicated when her husband becomes her boss at the precinct. For Laura, every day is a high-wire balancing act.
Efforts to down an international drug kingpin result in tragedy. Meanwhile, Jake makes a huge decision about his future with Laura.
Laura's sister becomes a suspect in a murder investigation in Brooklyn, so Laura tries to stay one step ahead of the detective assigned to the case.
Laura and Jake must protect a high-profile foreign dignitary who is dealing with death threats and protests.
Laura and team investigate a Men's Rights group implicated in the murder of the city's top sports surgeon. Billy and Meredith take their relationship to the next level.
A stunning development leaves Laura in mortal danger and makes it clear that the murder case of Michael Dunham is far from resolved. It's a race against the clock as Laura fights to save her own life and take down a killer.