Not Going Out (2006)

S13E01 Italian Lessons

Title: Italian Lessons Plot: Lee and Lucy grow suspicious when Anna repeatedly requests their help to cover for her during her nighttime escapades for mysterious Italian lessons. Fearing the worst—that she may be involved in an affair—Lee takes it upon himself to alert Toby about the potential trouble in his marriage. Determined to uncover the truth, he embarks on a mission to gather proof of Anna's secretive activities.