Brilliant top biotech scientist Stella Voss is cruelly betrayed by her fiancé Jasper and her assistant Serena. The pair push her off a cruise ship into international waters to murder her and steal her groundbreaking targeted anti‑aging patent. Though she survives the fall, Stella suffers temporary mental impairment from a head injury. She is rescued by powerful tycoon Kian Hale, who lives with a rare tactile deprivation syndrome — only Stella’s touch can ease his agonizing symptoms.
Pretending to retain her child‑like mental state, Stella hides her restored wits and lurks beside Kian to plot revenge. While evading repeated assassination attempts from Jasper and Serena, she grows tangled in ambiguous romantic tension with Kian. Kian conceals that his injured legs are gradually regaining mobility, and the two slowly uncover their long‑buried childhood bond.
At the critical patent press conference, Stella finally drops her disguise. She exposes Jasper and Serena’s murderous schemes and has the traitors brought to justice. After countless dangers and emotional twists, the pair admit their deep‑seated love for each other. Kian fully recovers from his physical ailments, gets down on one knee and proposes to Stella. The story closes with their grand, joy‑filled engagement ceremony.