Gimme Shelter (S03E06)

As the boys work on constructing a fallout shelter, Ben gets frustrated after accidentally falling into the hole. Meanwhile, Ria reconnects with an old friend, Kathleen, who is an American woman on her third marriage and just as unfaithful as before. Kathleen is shocked to learn that Ria and Leonard haven’t slept together and asks Ria to fake a relationship with her husband, Tony, while she sees her lover. When Tony unexpectedly shows up, Ria is caught off guard, leading to a confrontation with Kathleen that Adam overhears. He discovers Leonard’s involvement but decides to keep the secret for his mother. When Leonard calls, Adam picks up and passes the phone to Ria.