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.

As Jake lies in critical condition, Laura and the team hunt his shooter, an assailant armed with a high-tech new weapon.

A young filmmaker is murdered, and an inexperienced detective causes problems with the investigation as Laura's team search for the killer.

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.

A beautiful Au Pair’s untimely death puts Laura and the team on the hunt for a murderer and into the middle of a female escort ring. Meanwhile, the precinct spirals into a frenzy when a new detective named Frankie Pulaski is sent from headquarters to investigate alleged indiscretions between Jake and Laura.

The detectives probe the murder of an intern working at a trendy tech startup. Laura struggles to make time for intimacy with her new beau.

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.

An unidentified body is discovered in a bathroom and detectives try to determine who the victim is.

The detectives investigate when a woman suspects foul play after her husband, a fertility doctor, goes missing; the twins are accused of bullying at their Tae Kwon Do class.

The 2nd Precinct detectives enter New York's culinary world to take on a chilling case. But things start heating up for Laura when a potential suspect turns into a serious crush.

Laura helps investigate a sailor's murder, and she uses the case to avoid celebrating her birthday. Meanwhile, Billy must team up with a hard-nosed naval investigator.

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.

Following a political sex scandal, Laura investigates the alleged mistress involved in it. Problems with surveillance emerge though, forcing detectives to enter the world of online gaming.

Religious motives are suspected in a couple's murder. Meanwhile, Laura and Jake look for a new nanny and encounter a familiar face in their search.

Laura and her team investigate arson and the death of a teenage boy. Jake and a former firefighting flame create sparks. Laura tries to put work aside and concentrate on the twins' Winter Carnival.

When a female impersonator is murdered, Laura and the team dive into the raucous New York City drag world. Meanwhile, Laura reconnects with an old friend, leading to a wild night out on the town.

A club patron's death is linked to jewelry heists, so the detectives must halt a thievery ring in order to solve a murder. Meanwhile, Jake breaks divorced-parent protocols, leading Laura to reexamine her involvement with Tony.

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.

Romantic sparks fly when Laura and Jake investigate the murder of a star athlete at one of New York City's most elite prep schools.

The team go inside the world of NCAA basketball while investigating the murder of a teacher's aide, and Laura must balance this case with a huge personal crisis.

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.

A popular biker-bar owner is killed, with the case leading Laura and Jake to the scene of their first date. The twins can't outwit their new ex-con babysitter but, just to be sure, Laura has Max spy on them.

A woman's body is found on a party bus, and the murder investigation leads to a beauty empire. The detectives become competitive during an annual mud race.

The use of an online dating service precipitates a woman's murder, so Laura decides to bait the killer by using the same service. As a consequence, she also considers personally getting back into dating.

A fashion designer's intern is murdered, so Laura infiltrates Fashion Week, where the suspects include top models and knockoff sellers.

A gambling ring is uncovered by the team while they investigate the murder of a gallery owner's son in Koreatown, and Laura reunites with her estranged dad as she prepares to go undercover as a high-stakes poker player.

A talented New York City homicide detective struggles to balance her demanding job with her hectic home life, which includes rambunctious twin boys and a husband who's reluctant to sign her divorce papers.

When a former beauty queen is stabbed to death, Laura's ex-fiance becomes the prime suspect.