It's Christmas in Edo and Kagura writes her father a letter. She is sad that Santa Claus never visited her. Moved, her father Umi Bozu dresses himself up as Santa and hides watching Kagura, Otae, Shinpachi and Hasegawa celebrate Christmas. When he finally jumps out of the bushes to surprise her there is another Santa, a dressed up Gintoki. Both of them think that their counterpart is real. They start punching each other when another three Santas show up (Sachan, Kondo and Kyubei). Kagura decides on a contest to see who's the real Santa.

Kagura wants a mobile phone of her own in order to be able to text with her friends. Her wish is granted, and she starts harassing Gintoki and Shinpachi through text messaging.

After inviting Otae to the festival and being rejected, Kondo rampages around, taking his frustrations out on happy couples there. In an effort to hide the fact that the one making the scene is the Shinsengumi chief, Sougo and Hijikata convince him to wear a disguise. A short while later, Kondo runs into Otae, who doesn't seem to recognize him in his cockroach mask.

Katsura infiltrates Matsudaira's household and ends up pondering family values.

A rebel plans to asssinate the shogun during a festival.

Kagura's beetle was killed during a beetle fighting match. She tries to drag Gintoki and Shinpachi to go beetle hunting with her. That only succeeds when they know there is a high demand for the beetles - meaning they can make money of it. The trio encounters the Shinsengumi who also happens to be capturing beetles for reason unknown.

Smoking ban comes to Edo. Heavy smoker Hijikata is desperate to find cigarettes.

A man called Executioner Kohei is brought under strict guard to the Shinsengumi. He is the executive officer of the Radical Joi Faction, the Akatsuki Party, and is also a lethal murderer who has killed 35 bakufu officials. According to Kondo, Kohei not only endures torture, but laughs with joy during it. The Shinsengumi’s mission is to get Kohei to tell them details about the large-scale terrorist attack the Akatsuki Party is supposedly planning. First off is Yamazaki, who goes to the investigation room to take a stab at it! Will he be able to get Kohei to talk?!

A serial killer has been going around town-- and one of the crew meets him head on! In the meantime, Gintoki is requested to locate "Benizakura", an unlucky sword stolen from its owner.

Kagura gets captured. Tetsuko goes to visit the injured Gintoki and tells him the truth about the benisakura sword.

Shinpachi and Elizabeth go on the ship to attack Okada. A battle rages on the ship, at which Kagura manages to escape from captivity. On the other hand, Gintoki and Tetsuko (benisakura forger Tetsuya's sister) head towards Takasugi.

The battle comes to a conclusion, with benisakura finally taken over Okada's body, and Gintoki will have to use the sword Tetsuko gave him to stop this.

The city is hit by a bad flu one winter day. Even Otae is sick with the flu. Shinpachi gets some long-awaited time alone with his sister and is tending to her when he gets a visit from Gintoki and Kagura. Turns out the two have also caught the flu and want Shinpachi to look after them. Irritated by Gintoki and Kagura’s abrupt visit, not to mention their selfish demands, Shinpachi is surprised when even more sick guests arrive.