Texas startup queen Aveline Calder is betrayed by her husband and her closest friend, framed as a drug trafficker, and thrown into a maximum-security federal women's prison. Her 7-year-old daughter has only 7 days to live. Inside, a former schoolmate who secretly loved her and a magnetic ex-soldier named Kestrel both crash into her world. Caught in a tense love triangle, she must break through every wall to pull off a heart-pounding prison escape.