Complete story — includes the ending
Helena returns to Starling City to kill Frank after she learns that he plans to make a deal with the FBI for witness protection. Oliver opens his nightclub, Verdant, and refuses her request for help; she attacks Tommy to force his assistance. Helena is captured by the police's trap. Oliver breaks her out to protect his secret and demands that she leave Starling City. Instead, she forces Felicity to find Frank's location. Oliver manages to stop Helena from murdering Frank but, when Hall arrives, Helena shoots her and escapes. In the hospital, Hall breaks up with Oliver, announcing that she is moving to Coast City for her physical therapy. Meanwhile, Tommy's knowledge of Oliver's secret is affecting his relationship with Laurel, but Tommy reconciles with Oliver. Dinah presents her evidence of Sara's existence to Quentin and Laurel. Thea and Roy get closer. In a flashback to the island, Oliver and Wilson steal the circuit board of the anti-aircraft missile launcher, which the latter states can start a war, and offer Fyers a trade of the board for a way off the island.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Arrow season 1. HTML formatting and reference markers removed. · Content license