Luna, a seasoned outdoor survival expert, is betrayed by her six-year fiancé David and his scheming secretary Linda during a team-building trip on an island. They tricked Luna into purchasing a huge accident insurance policy. Right before a tsunami struck, they tied her up deep in the woods, plotting to stage her accidental death and seize control of her billion-dollar enterprise. An underwater earthquake triggers the devastating tsunami, yet Luna returns from her tragic fate, reborn with memories of two lifetimes on the fifth morning of the island retreat. Faced with the fake affection of her treacherous ex-fiancé and scheming company staff, awakened Luna boasts sharp wits and formidable combat skills. Drawing on her elite wilderness survival expertise, she builds a secure cave shelter, stockpiles supplies and crafts self-defense weapons. As the catastrophic tsunami looms closer, she watches coldly as David reaps what he sows. He poisons other crew members with toxic wild fruits and even sets the mountain ablaze in madness. With the help of Jon, an upright geologist, Luna stirs up a wolf threat amid the life-or-death chaos. She fully exposes the true colors of the villainous pair, leaving them abandoned by everyone. When rescuers arrive, the culprits face severe legal punishment for their crimes.
