Ep. 10: The Bentenmaru navigates a space storm to locate a ghost ship while Barbaroosa entertains guests.

The Barbaroosa replaces the Bentenmaru to entertain guests on a cruise ship. Meanwhile, the Bentenmaru travels through a space storm overnight searching for a ghost ship. The next morning, Coorie hacks into buoy arrays sent by seventeen royal family search parties, discovering they were launched fifteen years ago, two years before Gruier was born. When a buoy detects the ghost ship, Marika orders the Bentenmaru to jump six light-years away into hyperspace to that location and prepare for battle. The ghost ship then jumps into subspace, leaving the Bentenmaru surrounded by the Serenity Fleet. The Bentenmaru launches decoys to confuse the fleet and executes a crippling hit and run on two royal escort ships. Although Gruier wants to contact the Serenity Fleet, Marika advises against it due to previous agreements with Chiaki and Jenny. The objective is to find the golden ghost ship before the Serenity Fleet arrives.

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