Ah Zhen wakes up with behavioural amnesia, unable to remember who she is or what she has done. Slowly, she tries to piece together her identity with information the people around her provide. However, what she learns from them soon contradicts facts about her past life that return to her through a recurring nightmare. By and by, she realises that her current identity is a false construct and that she must choose whether to forsake her secret past for the simplicity of her new life.