THE CARD SHARK: Hailey Gordon is looking to make some fast cash to help pay her tuition when she’s caught counting cards at the Encore casino in Boston. She grabs her winnings and makes her escape. With guards closing in, she dives into an unlocked room to hide . . . only to find a dead body.

THE EX-CON: Recently released from prison, Nick Patterson hasn’t felt hope in a long time, but the job he “inherited” in prison promises to change that. He enters hotel room 633 to find that the person he was supposed to meet has been murdered. Next to the corpse stands a terrified young woman—Hailey Gordon.

THE PROFESSOR: American history professor Adrian Jensen learns of the death of his professional nemesis, Charles Walker, the night after he received Walker’s latest research. Skeptical at first, Adrian nearly deletes the file. But when one small, new detail catches his eye, he makes it his mission to uncover what could be one of the biggest secrets of the Revolutionary War.

All three strangers find themselves on the cusp of an incredible discovery—one that someone is willing to kill to keep secret.