Dr. Malcolm Sayer is an introverted and shy research doctor who uses a controversial experimental drug to try to awaken patients who have fallen into a stagnant state of rare diseases.Leonard was the first patient to receive this treatment.His awakening was not only full of miraculous shock and joy, but also became a profound rebirth in Saye's life.This originally taciturn doctor rediscovered those seemingly ordinary but extremely sweet moments in life under the infection of Leonard's enthusiasm and vitality.Under the reflection of Leonard's innocent and passionate emotions, Sayena's long-closed inner world also quietly opened, as if it was truly "waking up" for the first time.