In the harrowing aftermath of Chernobyl's meltdown in 1986, the fate of Eastern Europe hangs by a thread.

From Beijing, American radiation scientist Lara, once a thorn in the Russian mob's side, is drawn back into the shadows of the Soviet Union on the Trans-Mongolian Express. She isn't alone. Anton, a Soviet scientist exiled for predicting Chernobyl's catastrophe, is on a quest to expose the truth. Amidst them, Timur, a Chechen giant fueled by vengeance, plots to destroy the already crumbling Soviet Union.

Suddenly, a murder on the remote tracks of the Gobi thrusts them into a deadly game of cat and mouse. As Chief Sheriff Bat races to solve the murder, their lives are thrown into jeopardy. Lara finds an unexpected ally in Gang, a reluctant assassin sent to end her life, and an illicit romance blooms amidst the chaos. But Gang isn't the only killer onboard. A hidden menace lurks, threatening to unravel all their plans.

In this electrifying ride across a historical backdrop, suspense and passion collide in an unyielding dance of survival and redemption. Who will survive the Trans-Mongolian Express?