ION Mystery

The NCIS team investigates the murder of Patton's friend, a former Navy SEAL gunned down in a drive-by shooting while Patton watched.

A Navy lieutenant from a well-connected and affluent family has a fatal fall down a flight of stairs at a charity gala; the team investigates whether his death was an accident or foul play.

The team protects a witness who is on her way to testify against a dangerous drug cartel -- while the cartel is in hot pursuit.

When Walter finally learns Cabe's secret about the Baghdad mission, the future of the team is threatened; Ralph puts his life in jeopardy to help the team.

When Walter's car ends up at the edge of a cliff, the fractured team must come together for their most important mission yet.

When a nuclear powered Russian satellite is knocked out of orbit, the new Director of Homeland Security reunites the team; Paige and Walter confront their feelings.

Horatio and the bomb squad must defuse a land mine before it detonates; Delko is sued for his role in a domestic dispute.

Hijackers take a truck full of confiscated weapons, and Horatio links the crime to Clavo Cruz; a confiscated missile launched into the courthouse helps Clavo escape; a member of Horatio's team is fatally shot.

A member of the team fights for his life after being shot in the head; the hunt for Clavo Cruz continues.

The team investigates when the parents of a baby sitter in an upscale neighborhood are murdered; key evidence leads Horatio to expose a doctor who has dirty secrets.

Evidence suggests foul play after a member of a hunting group is mauled by a bear.

As a dangerous hurricane hits Oahu, Five-0 is tasked with protecting El Diablo, a captured serial killer who is being hunted by an assassin; Tani's civilian safety check during the storm turns deadly; Rachel and Charlie evacuate to Danny's house.

When the top salesperson for a beauty company pyramid scheme is murdered, the team sifts through a long list of possible suspects who would want her dead; Adam befriends a homeless man.

Junior is torn between his duties and his feelings for his former girlfriend when her new man is one of the culprits in a bank heist-turned-homicide.

Tani and Junior go under cover at a gym to track down a deadly batch of steroids; Danny and McGarrett work as bodyguards for Danny's high maintenance ex-mother-in-law, a famous romance novelist with whom he has never gotten along.

The team investigates the murder of a window washer and finds that the victim is actually a renowned street artist; Grover and Adam look into the murder of a gambler; Junior helps his father when they are reminded of his sister's death.

When the team must locate a girl who purchased a gun from a junkie, it discovers that the firearm, over the course of decades, has affected all of the teammates' lives.

A murdered man's body may hold the key to a 20-year-old case involving a kidnapped girl whose father never stopped looking for her.

Adam investigates the murder of an undercover FBI agent who was about to wed the daughter of a Yakuza leader; Noelani is held hostage and forced, along with her mentor Dr. Chu, to operate at gunpoint on a criminal.

McGarrett helps his sister spy on her shady neighbors; a ride-share driver and his passenger are murdered; the team teases the youngest members when Junior escorts Tani to a wedding.