Christopher Redman

An angry resident of The Glades who calls himself "The Savior" (guest star Christopher Redman) embarks on a kidnapping and killing spree to punish those he believes have wronged the residents of his neighborhood. To make things worse, he broadcasts these murders online and claims he was inspired by Arrow's vigilantism. Oliver is horrified by this statement and vows to stop "The Savior," but his manhunt in intensified after Thea comes to him in tears and tells him Roy has been kidnapped. Laurel is surprised when her father starts to believe her mother's claim that Sara is still alive. Meanwhile, Malcolm tells Moira to find the person responsible for his attempted murder.

Maggie goes undercover working in a bar to investigate an anti-government group that regularly gathers there; a single father on the periphery of the group begins to fear he's in danger of becoming collateral damage.

A former classmate is found dead at Jane's high school reunion; Korsak gets a visit from his ex-wife; Jane's old flame returns.

When a marine dies saving the life of a Belgravian prime minister from an assassination attempt, the NCIS team is given the job of protecting the minister's daughter while she studies in the USA - while also investigating the death of the marine.

NCIS crosses paths with Whistler's team while investigating a shipping container filled with contraband weapons; Tennant debates arresting Alex's friend's dad, knowing it will cause her friend to move away.