A woman, travelling alone through snowbound northern Minnesota, interrupts the kidnapping of a teenage girl. Hours from the nearest town and with no phone service, she realizes that she is the young girl's only hope.

Mickey 17, known as an "expendable," goes on a dangerous journey to colonize an ice planet.

The tight-knit Garvey sisters have always looked out for each other. When their brother-in-law winds up dead, his life insurers launch an investigation to prove malicious intent—and set their sights on the sisters, all of whom had ample reason to kill him.