In the Season 1 finale, Pete and Bea go to Venice Beach on their last day in California, but must form a panicked search party when Monk gets lost. Meanwhile, Tom and Ally meet a distant Chadwick cousin whose grandfather was a silent-film cowboy; and Al and Kitty throw their British visitors a farewell party that exposes more family secrets and marks a turning point in Tom and Ally's relationship.
Bea, Pete and Monk arrive in the U.S. for the last two weeks of Tom's trip, and they visit an Indian reservation after learning that Tom and Bea's great-great-grandmother may have been Native American.
Tom learns about his great-great-grandfather Charles' life as a soldier in the U.S. Civil War, and is invited to take part in a reenactment organized by a local expert on the conflict. Meanwhile, a car accident sparks a romantic attraction between Tom and an aspiring writer.
Tom goes to the U.S. to visit his cousins, Al and Kitty Chadwick, in Los Angeles, to find out why his great-great-grandfather Charles left America for England more than a century ago, and he also gets to meet some other relatives at a family barbecue.
Tom, Bea, Keith, Luba and Monk take a ride to Derbyshire to meet their farmer cousins, and despite some uncomfortable culture clashes, they get to the bottom of a dark family secret. Meanwhile, Pete has a difficult assignment at a zoo; and Tom gets a call from an American cousin.
Tom researches the life of his grandfather William, who may have participated in the 1948 Summer Olympics in London, aka the Austerity Games, and learns about his athletic ability from his great-aunt's friend and some old-timers at a gym where he trained. Meanwhile, Bea and Monk finally get a paying gig at a wedding reception.
Tom and Pete follow the trail of Harry, Tom's great-grandfather, to the southern coast of England, where they meet an elderly woman who used to be his neighbor, and learn some very intimate details about his personal life from two men who run a theater.
Newly single and unemployed Tom Chadwick goes on a journey of self-discovery after inheriting a chest of curios from a deceased great-aunt in this mockumentary series. In the opener, Tom investigates an old photo of a man who may be his great-grandfather, while his friend Pete sets him up on a date.