My Substitute Billionaire

Sienna Lockwood falls into a vegetative state after a car accident. The Lockwood family proposes a matrilocal marriage to Quinn Shepherd. The Shepherd family, unwilling to let their son marry, finds Liam Linden, their nanny's son, to take Quinn's place. After marriage, Sienna wakes, hostile towards Liam due to a misunderstanding. As they spend time, Sienna's hostility disappears, affection grows. Liam's true identity is revealed as he returns to the pinnacle of his life.