Between is the story of a town under siege from a mysterious disease that has wiped out everybody except those 21 years old and under. The series explores the power vacuum that results when a government has quarantined a 10-mile diameter area and left the inhabitants to fend for themselves.

Mica is born smelling of fish that soap and doctors can't remove. Problems increase starting school as no one'll be his friend. He sees a therapist. His life seems doomed until he meets Laura.