When Millie discovers she’s seriously ill, she asks her twin sister, Holy, to step into her life while she seeks a cure, keeping her condition a secret from her devoted husband, Gordon.
At first, Holy is against her sisters decision
but Millie is so eagered in trying to change her mind until she had no choice but to comply. She soon realized she was in California, stepping into Millie's world—a life she knows nothing about.
As she tries to keep up the act, Holy gets caught in a mix of secrets, love, and heartbreak.
Can she keep her sister's promise while dealing with her own feelings? And how long can she keep the truth hidden before it all falls apart?