Buck is finding that his role at the ranch is being undercut frequently by Big John. Instead of letting Buck finish tasks he is assigned, Big John frequently has someone else take them over or Big John changes the orders without notifying Buck. The final straw comes when Big John has Sam assign Buck the low level job of cleaning out the tack room and a list of items to be checked there. To Buck this is below his dignity and when he complains to Big John it appears his concerns are not concerns for Big John. Therefore, Buck decides to leave the ranch. Big John won't stop him and tells Victoria that when their father died his last wish was for Big John to look after Buck who would need extra help. Blue having similar feelings to Buck, decides to follow Buck to Tucson. Buck sends Blue back home but only his injured horse arrives. Big John had gone to Tucson to find Blue but when he is not there and the men report Blue's injured horse, all join hands to work together to find Blue who fell...