When a ferocious plasma storm strikes the entire Bajoran system, Deep Space Nine becomes a port under siege, filled to overflowing with stranded space travelers, unpredictable aliens, and Klingon smugglers. Wof and Odo find themselves tested to the limit as they struggle to control the chaos that has consumed the station. But even greater danger faces Dax and botanist Keiko O' Brian when they must fly a runabout into the very heart of the storm and encounter a stange new form of life!