Sure enough, their ship soon picks up a refugee. He looks cute. He's brought some cargo with him. It's a purple thing, not unlike a big old lava lamp. People start dying, but not so's you'd notice.
Stuff blows up.
Spader's character has a narrow escape. Angela Bassett frowns a lot. There are some crackly special effects. Maybe the world will be ending in 51 years. Supernova is one of those movies with a lot of fingerprints on it.