خلاصه داستان : دکتر جان واتسون شش ماه بعد از مرگ رفیق و همکارش شرلوک هولمز، حرفه‌‌ی پزشکی خود را در کلینیکی مخصوص درمان بیماری‌های نادر شروع می‌کند؛ اما گویا زندگی سابق او دست بردارش نیست.

A year after the death of his friend and partner Sherlock Holmes at the hands of Moriarty, Dr. John Watson resumes his medical career as the head of a clinic dedicated to treating rare disorders. However, he soon finds that his old life is not done with him yet.