The team narrows down the arson suspects but hits a dead end. Yubin then proposes a shocking theory.

Following Yubin’s lead, the team pivots their investigation and uncovers new information.

The team advances the investigation with information from the witness. Yubin identifies the suspect.

A fire breaks out at a fried chicken shop run by Joongryeok’s acquaintance.

A crime unit with the lowest arrest rate gets started on its first case with its new chief, Yubin.

The team investigates a murder disguised as a suicide and gets in a bind as another death occurs.

As Oliver’s face off with Slade escalates, his resolve to the no-kill rule is tested. Especially as Slade targets the woman Oliver loves.

Oliver rallies his team as Slade’s soldiers attack the city. Felicity gets a call from S.T.A.R. Labs with game-changing news and Thea comes face-to-face with her father.

After the death of someone close to him, Oliver decides to give himself up to Slade rather than risk further bloodshed on his friends and family. Meanwhile, Laurel renews her…

The Mirakuru sends Roy into an uncontrollable rage and he unleashes on the city. Oliver realizes the Mirakuru has taken over Roy completely and must figure out a way to…

When Oliver and his team destroy Slade’s centrifuge, he attacks them as Deathstroke to get what he needs to find a replacement. Meanwhile, Laurel ponders what to do with Slade’s…

Sara and Roy become prisoners at the Slade and the only one who is able to save them is Oliver Queen.

The Huntress returns and takes hostages at the courthouse when her father is arrested. Laurel is among those taken, which prompts her sister, the Canary, to battle the Huntress in…

While Oliver deals with the pressure of Slade’s threats against Oliver and his loved ones, Amanda Waller with A.R.G.U.S. recruits Diggle for a black ops mission. Diggle is happy to…

In the present, Slade visits Oliver and makes his intentions clear. Five years earlier, Slade, Sara, and Oliver launch their assault on the Amazo, but things go wrong when Slade…

A master hacker dubbed Clock King coordinates a series of raids on banks in Starling City, and his skills prove a match for Felicity. Meanwhile, Laurel’s grudge with Sara continues…

As Laurel continues to unravel, Oliver and Lance try to convince Sara to stay in Starling City and finally reunite with Laurel and Dinah. However, Sara’s fellow League of Assassins…

While the Arrow trains Roy how to control his anger–and his super-strength–Bronze Tiger steals a prototype of Malcolm’s earthquake machine to sell to an arms dealer. Meanwhile, Laurel discovers that…

When her father won’t believe her accusations against Sebastian, Laurel turns to the Arrow for help. Oliver has his own doubts about Laurel, particularly when she is arrested on a…

A bomber nicknamed Shrapnel has set his sights on Sebastian Blood, and Oliver dons his mask to protect his newfound ally. Meanwhile, Laurel investigates Sebastian’s aunt who is locked up…

After covering from a near-fatal drug overdose, Oliver begins hallucinating people from his past. Believing he’s a liability, Oliver gives the information he has on Cyrus Gold to Quentin… which…

When a superhumanly strong thief robs a Queen Consolidated warehouse, Central City police scientist Barry Allen comes to Starling City to investigate the case. However, despite his close working relationship…