"First Son of Texas" Eli McCullough must survive a frontier Comanche attack in 1849 and lead his family's empire through difficult times in 1915.

Young Eli must learn how to live among the Comanches in 1849. In 1915, Eli and Pete clash over how to respond to an unexpected attack on their home.

Young Eli trains as a warrior, but makes enemies in 1849. In 1915, Eli and Phineas struggle to help the family in Austin while Pete faces his demons.

Young Eli faces a test of survival; the McCulloughs enact a dangerous plan to take the fight to their enemy.

An enemy forces Young Eli to question his loyalties in 1849. In 1915, the McCulloughs' past comes back to haunt them with deadly results.

Young Eli makes a choice with dangerous consequences in 1849. In 1915, the McCulloughs deal with a tragedy while Jeannie seeks to save the family.

Prairie Flower is torn between love and duty in 1849. In 1915, Pete grows closer to Maria while Eli brings Phineas in on a dangerous secret.

Young Eli is forced to trust a strange ally to survive in 1849. In 1915, Eli's past guides him to a choice that puts him at odds with Phineas.

The tribe faces an unexpected return in 1849. In 1915, Eli's plan for the future forces Pete into a life-or-death decision about his loyalties.