Star Swept - The Final Voyage, #1

Onboard a luxury starliner heading for an earthlike planet, the mission is clear: export the colonists and return to Earth. Gabriella Wallis, the commander's daughter, has little interest in pursuing a romance with the handsome chief of security, Nate Oxford. He is tasked with keeping her safe during an excursion, but an accident strands them on a hostile planet, where they discover the first of many shocking secrets.