Shawn Doyle

The only U.S. Marshal assigned to Antarctica, Carrie Stetko will soon leave the harsh environment behind for good – in three days, the sun will set and the Amundsen-Scott Research Station will shut down for the long winter. When a body is discovered out on the open ice, Carrie's investigation into the continent's first homicide plunges her deep into a mystery that may cost her her own life.

When the daughter of a psychiatrist is kidnapped, he is horrified to discover that the abductors' demand is that he break through to a young woman, suffering from PTSD, who knows a secret six digit code number.

When a rare phenomenon gives police officer John Sullivan the chance to speak to his father, 30 years in the past, he takes the opportunity to prevent his dad's tragic death. After his actions inadvertently give rise to a series of brutal murders he and his father must find a way to fix the consequences of altering time.