City dwellers, both men and women, suffer devastating blows to their careers and love lives that they never should have had to endure. Deep down, they choose to run away, sink into despair, and give up. But when someone they love, someone dear to them, is in danger or gets hurt, their fighting spirit flares up without them even realizing it. Every cell in their bodies springs into action, ready to face the challenge. All that numbness, despair, and giving up on life comes from nothing having threatened the line they refuse to let anyone cross...