Research assistant Sofia's main source of excitement comes from living vicariously through her free-spirited older sister. So when Sofia stumbles onto a centuries-old conspiracy to cover up the existence of an immortal, she's hooked. She is determined to unlock the secret to eternal life, especially if that means she gets to share it with Arthur. Unfortunately, Immortality has a price. When her sister’s soul gets dragged into the mix, Sofia has to decide just how much she is willing to pay.