Shops for a wedding dress. Attends a presentation in Owen´s lab. Fights the alien with the team. Attends Gwen´s wedding. Brings Rhys a beer. Cleans up the mess.
Jack sends Ianto to buy a wedding dress for Gwen. They leaf through a wedding dress catalogue. Jack complains that Ianto always agrees with Owen since he´s dead. Ianto asks Jack to dance with him. They dance intimately.