Colby Evans can leap from one country to the next in a heartbeat. She can see every sunset in every time zone in the same day. She can travel across the world in a flash. She defies gravity and physics with every breath she takes. She's tested her abilities and found them limitless. She is the lightning. She is Lucent. And nothing can stop her. Except him. Theodore Ramsey isn't supposed to be able to flash like Colby. The power of travel is passed on from mother to daughter in their people. Except once in every hundred generations. Theo is the one. He can flash like Colby. And it makes him a target to their enemies and to himself. His abilities change everything he knows about life and throws his future into an uncertain tangent. In fact, the only thing certain in his life is the love he feels for Colby. Their love defies time and space and has been the only constant thing in their lives since childhood. But even their infallible love will be stretched to its limits. She will risk her life to protect him. But he will risk everything to protect them all.