A funny and irresistible story of a young girl who literally cannot see or hear her mother, even though she is living with her under the same roof. With the help of an eccentric psychiatrist, and a local, accidental hero, our heroine has to grow up, but falls in love and eventually takes hold of her future - despite not being able to see what's right in front of her.

第二季末，华生预备搬离褐石居。本季，华生将会有一位新男友，而福尔摩斯也会有一位新助手。故事将开始于上一季的一年之后，福尔摩斯在英国为MI6服务了一年之后，携新助手回到纽约。他将如何处理他与华生之间的关...