Mr. & Mrs. Smith (2024 TV Series) - Season 1 - Episode 7: "Infidelity"

John and Jane now work missions separately. Jane infiltrates and, at gunpoint, interrogates their neighbor Bev about her relationship to John, who she assumes Bev is sleeping with. John arrives and Bev, who is revealed to be a spy working for a rival company and John's target, attacks both of them before escaping, nearly killing John. They track Bev but she dumps her tracker at the café where the Smiths had their first mission and disappears.