Ammonite

On the remote planet GP, a deadly virus has transformed the original colonists and left the remaining inhabitants isolated and wary of outsiders. When anthropologist Marghe Taishan arrives to test a new vaccine, she uncovers the native life forms' intriguing biological secrets and comes to realize that she herself is undergoing profound changes. As she navigates this alien world, she must confront the complex consequences of her discoveries and her own evolving identity.