Echoes in Time

Time agents Ross Murdock and Eveleen Riorden are recalled from their honeymoon to take part in a dangerous assignment: find a team of Russian scientists who have vanished without a trace from a research mission in the past of a far-off planet. Along with a team of Russian time Agents with their own mysterious agenda and Saba, a new agent teamed with Gordon Ashe, they leap into the alien world's distant history.