After they investigate a supernatural force on Mars, the crew of a spaceship traveling back to Earth exhibits disturbing behavior.
In a modern America where witches are real and witchcraft is illegal, a sheltered teenager must face her own demons and prejudices as she helps two young witches avoid law enforcement and cross the southern border to asylum in Mexico.
As a group of wealthy friends decide to celebrate the launch of their tech company with a trip to Cabo, they get more than they bargained for when a mysterious man offers to escort them on his family's vintage cruise ship. Once on board, the family's ulterior motives become clear and the friends are hunted one by one. With everyone stranded at sea with little hope and no connection to the outside world, a Coast Guard team engages for a final deadly confrontation.