The worker known to the colony as W5311X44 has never been the same since she encountered sunlight. With the help of her closest sister and teammate, W5 makes it to the surface. Her life is instantly and forever changed. But it is only when W5 sets out to explore the surface that her true challenge begins. She must decide who she really is. W5 finds out what it's really like to be a Major. She discovers a strange operation carried out by ants high up in a tree. And W5 meets the Mantis, who speaks powerful words and influences the course of W5's very existence.