This story recounts a series of extraordinary events for one of history's greatest detective duos, American Jessica Sanders and Scotsman Adam Cross. These events lead them through a rollercoaster of personal and professional ups and downs as they search for the culprit behind a string of homicides classified as "accidents." But the special agents quickly realize these are no mere strokes of bad luck, putting all their skills to the test to solve the case and bring the culprit to justice.