Wato Tachibana has just returned to Japan from Syria; when her mentor suddenly dies, consulting detective Miss Sherlock is put on the case.

Miss Sherlock is approached for help after a vandal draws a mustache on a famous painting.

Wato's childhood friend approaches her with a problem; Mrs. Hatano asks Sherlock to help clear her name in a theft.

Sherlock gets called in to help find a missing bride; Wato learns she suffers from PTSD and has flashbacks.

Yuichi Takayama receives a severed ear in the mail; Sherlock gets closer to understanding the truth behind Stella Maris.