More and more, the successful and affluent businesswoman, Hélène Masson, has been feeling sad, sensing that her age is catching up to her. As a result, disappointed and tired of her hectic lifestyle, Hélène decides to take her kind friend Gérôme Savignat's advice, and join in the exclusive rejuvenation programme of the charismatic Dr Devilers' secluded thalassotherapy institute. There, the good doctor promises spectacular results with the aid of his secret invigorating serum; however, the horrible death of a troubled guest paired with unaccountable disappearances will pave the way for blood-curdling discoveries. What is the shocking truth behind Dr Devilers' perfect fountain of youth?
—Nick Riganas