Abby finds her secret identity in jeopardy when an estranged family member arrives in town and demands Tom's help finding Liam Collins' missing wife. A restless Hoyt reconnects with his outlaw roots, Kai contemplates his future as his past begins to catch up with him, and Calian receives a dire warning from a mysterious woman that may drive him back to Independence.

As a dust storm descends upon Independence, Abby and Tom find themselves desperate for shelter. Gus has a lead that can potentially help Calian. Kate, Hoyt and Lucia work together, but things do not go according to plan. Kate stumbles upon something very unexpected and leaves her questioning everything.