Liam is on the brink of divorce when he learns his wife Mia is diagnosed with cancer. She proposes a road trip to mend their relationship and her health.

When her daughter Katie gets sick with a liver disease, Meghan O'Mailley figures out that her husband, Hugh, is not her father. She finds that her marriage and life are in danger as she attempts to track down Dan, the man that got her pregnant 16 years before. She learns that Dan went into hiding after seeing something he should not have seen, about dangerous man.