Two years has passed, Sherlock has return to 221B, he's made amends with his best friend, he's even started up his work again, but in the dark there lies a secret; his heart is failing and it's too weak to undergo any type of surgery. With no other treatment available, Sherlock is forced to accept his fate, and brave through it by the hand of his only friend, John Watson. Together they find hope in hopelessness, and light in the darkness.