In the latest episode of CBS' "Elementary" titled "Tag, You're Me," it seems that after offering help to his father, Morland Holmes, Sherlock Holmes makes sure that he leaves New York City immediately.

CLICK HERE to watch what assistance Sherlock offers to Morland.

According to the synopsis of the episode, Sherlock offers to help his father resolve a work issue in exchange for his prompt departure from New York City.

Meanwhile, Holmes and Watson investigate the murder of two men who looked alike. The probe leads them into the world of facial recognition technology.

As mentioned in the synopsis, it seems that Sherlock is desperate to get his father out of the city as Morland has been interfering in his work a lot lately. However, Morland is a tough person and is determined not to leave New York City.

In the promo, there are some comic moments between Holmes and Watson. Sherlock is standing at the bottom of a staircase while a stereo is playing, "The Battle Hymn of the Republic".

Watson runs down the stairs and tells him hurriedly that the song must be by Peter Gabriel to which Sherlock replies, "Never heard of it."

In the next shot of the promo, both of them are investigating a double murder of two men whose identities are similar to each other. In order to solve the case, Sherlock researches on their identity and finds out that it is done by a facial recognition technology.

In the previous episode titled "Evidence of Things Not Seen," Morland offered to use his influence to have Sherlock and Joan reinstated as consultants to the NYPD, but Sherlock questioned his father's motive as he was curious why Morland was offering help all of a sudden.

How Sherlock finds the mystery behind the lookalikes' murder will be seen in the next episode.