Exile

An unknown man, appearing to be human, is repeatedly seen aboard the Enterprise by Hoshi, but sensors never pick him up. Finally, the person she has repeatedly sighted contacts her more formally, offering to help track down information on where the Xindi are building the next superweapon to be deployed against Earth – in exchange for Hoshi’s company for a few days and an opportunity to study her unique communication and translation abilities. While she’s away, the Enterprise is nearly ripped apart by gravitational anomalies, and Archer and Trip venture onward in a shuttlepod to find the source of the problem. They find an artificially constructed sphere exterting the deadly gravitational influence – and then discover that there are dozens of such spheres throughout the Expanse. And when Hoshi tries to leave her host, she discovers that he has no intention of letting her return to the Enterprise.