This video details Day 3 of Nick Bardsley's APEX dumbbell bodybuilding program, focusing on an upper body pull workout. The workout incorporates pull-ups (or dumbbell pullovers as an alternative), bent-over rows, straight-arm kickbacks, rear delt bent-over rows, seated leaning reverse flies, scapular rows, and biceps 21s. The video guides viewers through each exercise, providing rep ranges, rest times, and weight adjustments.