Lucca is a promising young field mechanic who quickly rose through the ranks of the Genesis Industries on Talich. As part of the expeditionary force to the Untamed World, Lucca fought against the Sleepers and was chosen to Ascend by Lilariah.
When the Overseers of Solace declared war on Genesis Industries, Lucca's loyalty was torn. From the card Denial Of Flight it appears likely that she has chosen to side with Genesis Industries, but this is not explicit.
As of Rebellion, Lucca has clearly broken with the Overseers, removing her wings (as seen on the card Defiance) and becoming Lucca, Rebellion Leader