Steve and Wo Fat fight to escape from the attack on the maximum security unit. Catherine is taken hostage when Five-0 headquarters is seized. Five-0 goes behind the new SWAT Commander’s back to rescue Catherine. Kono and Adam find themselves exposed while hiding in Hong Kong.moreless
Ichabod Crane awakens in modern Sleepy Hollow and realizes that evil has came with him. While on a call Sheriff Corbin is killed by the Headless Horseman which is witnessed by Lt. Abbie Mills. With her own childhood supernatural experiences, Abbie forms an unlikely bond with Ichabod. The two of them set out to stop evil and figure out mysteries dating back to the 1700s. Captain Irving at first is reluctant to believe Ichabod's tales but soon after Ichabod's former wife Katrina gives clues about coming evil, they all start to believe that Sleepy Hollow is anything but sleepy.moreless
Miles and Nora set out to recruit one of Miles' old militia buddies. To find her way back into her daughter's graces, Rachel looks for a power source whilst eluding her ruthless former boss, Randall Flynn.moreless
Carroll arranges for a transfer to a different facility, arousing Ryan's suspicions. Meanwhile, Emma and Joey meet another of Roderick's men.
When Castle takes matters into his own hands, after the FBI fail to get Alexis back, he discovers that the kidnapping may be part of something more ominous.
The Reagans unite behind Danny when he's arrested after a stop of his vehicle reveals a bag of cocaine in the trunk.
Simon takes Annie with him on a trip to Cuba and she doesn't have the CIA backing her up.
When Walter is asked to find a voodoo doll, he, along with Willa, enlists the help of a witch even though it annoys her that Walter doesn't take witchcraft seriously. Elsewhere, Isabel and a Miami detective are put in danger when they investigate a gang fight.moreless
Internal Affairs starts an investigation after Danny accidentally shoots a cop. The big question they look into is his personal state of mind at the time of the shooting.