Samantha Ruiz has always blamed herself for her mother's untimely death, until she learns it may be linked to genetic experiments during World War II. Suddenly Samantha's uncanny ability to vanish from sight or "ripple" looks like more than just an freak superpower. Now it might get her killed. A swoon-y crush shows up in her life, offering help and secrecy, but he also confirms there are people after her for her secret ability. Uncertain who to trust, Samantha can't resist gorgeous Will. Together they unravel the mystery of who wants her and why, but soon she'll have to choose which to keep safe: her secrets or Will.