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.

Efforts to down an international drug kingpin result in tragedy. Meanwhile, Jake makes a huge decision about his future with Laura.

When a technology wunderkind is murdered in a seemingly impenetrable high-security building, Laura and team must unravel the puzzling murder before someone steals the victim's billion-dollar ideas.

When the wife of a national media baron is driven off the West Side Highway, Laura and her team soon discover not everything is as it seems and unravel a dark secret in a case long thought closed.

A perfume mogul is killed in a savage manner and the investigation yields no prime suspect. Laura and Jake are at odds when they try to define the current state of their relationship.

Laura and Jake must protect a high-profile foreign dignitary who is dealing with death threats and protests.

When two convicted killers break out of a maximum security prison, Laura and team join the manhunt, but their loyalties are called into question, since one of the escapees is their former captain

Valentine's Day takes a deadly turn when Laura thinks a long-dormant serial killer has re-emerged; secrets fly in the squad room.

When a boy is kidnapped from his TriBeCa family, Laura and team are thrust into a high-stakes race against time and must uncover a host of family secrets in order to save the boy.

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.

Laura and her team are hot on the trail of an international smuggling ring when a pregnant woman is found dead on the side of the side of the road, but they quickly discover the goods being trafficked are not what they appeared to be.

An undercover cop is exposed and killed, so the team investigate his homicide and are targeted in the process, forcing them to alter their approach.

While tracking a killer, Laura navigates two love triangles: her own and one that may have ended in murder.

When a woman with cancer dies under mysteries circumstances, Laura and her team investigate the world of survivors and supporters and learn appearances can be deceiving.

The team dives into the world of the fitness obsessed as it investigates the death of a gym owner who was cooked alive in his sauna.

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.