

Carl, chief research supervisor at Ark Base, was exiled for developing a zombie cure against Kevin's orders. Now surviving with his eight-year-old daughter Nancy, tragedy strikes when she's bitten protecting him during a horde attack. As his daughter turns into a zombie, Carl becomes the most unlikely father in the apocalypse—determined to protect her at all costs.

The U.S. nuclear medical professor Charlie Clare quits his career for family, but is abandoned as his wife and daughter favor his love rival Isaac. After suffering his family’s ignorance, he decides to leave for the Unicorn Project, which he designed for healing his daughter’s neuro-skel birthmark as his life work. But unaware that Charlie’s burning his life for them, his wife and daughter deepen the rift with Charlie upon reunion and eventually destroy everything Charlie left for them with their own hands before realizing their errors, only to find it too late.