DS9 Season 5 Episode 4 …Nor the Battle to the Strong

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Jake Sisko is returning from a medical conference with Dr. Julian Bashir. Although Jake intended to write an article about Bashir, he cannot find anything interesting in the latter's description of the conference. They receive a distress call from a Federation colony which has just been attacked by the Klingons in violation of a ceasefire agreement. Seeing the potential for a gripping story, Jake persuades Bashir to take him along.
Jake has trouble handling the chaotic emergency room situation at the hospital, particularly triage. One of the patients, a Starfleet soldier, claims to have been shot in the foot by the Klingons, but Bashir discovers that the wound was self-inflicted, intended to get him out of the fighting. Jake is disgusted by the man's cowardice.
Everyone expects the Klingons will take over the settlement within days if no reinforcements arrive. On Deep Space Nine, Jake's father, Captain Benjamin Sisko, takes command of the starship Defiant to come to aid the colony after the ship intended to deliver those troops is destroyed in transit.
When the power goes out as a result of a Klingon attack, Jake and DBashir attempt to retrieve a portable generator from their runabout. The two come under enemy fire, and a terrified Jake abandons Bashir and runs for cover. He encounters a mortally wounded Starfleet soldier and tries desperately to help him, but the dying man accuses Jake of merely trying to atone for his cowardice. By the time Jake returns to the hospital, Bashir has returned with the generator but has sustained injuries as a result of the fighting. Jake claims that he became disoriented and was knocked unconscious, and Bashir blames himself for putting Jake in danger. Jake speaks with the soldier who wounded himself, and the two commiserate over the terror of battle. He has an angry outburst over the calm demeanor and dark humor exhibited by the staff, but refuses to tell Bashir what is bothering him.
The Klingons storm the hospital, forcing the staff to evacuate the patients. Pinned down by disruptor fire, Jake picks up a dropped phaser rifle and fires blindly into the air. His shots cause a cave-in that knocks him unconscious; when he wakes up, Sisko and Bashir are standing over him. He has suffered only a few bruises, and the cave-in delayed the Klingons long enough for all the patients to be evacuated safely. The Klingons have withdrawn from the area, and the ceasefire has been reinstated.
Although Jake is considered a hero for his actions, he writes the truth in his article, concluding that the line between courage and cowardice is much thinner than he originally believed. He gives one copy to Bashir and another to Sisko, who tells his son how proud he is.