"libvpx" refers to a video codec library, often associated with VP8 or VP9 video compression. It's commonly used in open-source projects for encoding and decoding video.

Directed by Norma Bailey and written by Karen Campbell, the episode picks up immediately after the explosive events at the Edinburgh print shop. It explores the immediate consequences of Claire’s return to the 18th century and the strain it places on Jamie’s secretive life as "A. Malcolm."

The video quality of the episode is excellent, with a high bitrate and detailed encoding. The performance of libvpx is also impressive, with smooth playback and minimal buffering.

However, "Crème de Menthe" exposes the limitations of this double life. The episode introduces a critical threat not through British redcoats, but through Sir Percival Turner, the exciseman. Turner’s discovery of Jamie’s smuggling operation in the cargo hold—specifically the casks of liquor—serves as the catalyst for disaster. The ensuing fire at Carfax Close is symbolic; it incinerates Jamie's safety net. The destruction of the print shop represents the burning away of his anchor in Scotland. With his business in ashes and his cover blown, the narrative mechanically strips Jamie of all reasons to stay, leaving the path to Claire as the only road forward.

While Jamie attempts to evade the Crown's representatives due to his illegal smuggling dealings, he must also manage the arrival of Ian Murray, which leads to the revelation of long-held resentments.