In episode 3, Liam is confronted with accusations of cheating. He denies knowing the girl involved and lies about the situation, despite evidence presented by Rebecca, including receipts and detailed claims from the other woman. Liam's dishonesty and manipulation become clear as he tries to deflect blame and maintain control over Rebecca, undermining the retreat's goal of honesty.

Rebecca challenges Liam's denials by showing him receipts and recounting the other woman's detailed accusations. She repeatedly asks if he knows the girl, pressing him for the truth. Liam's evasiveness and lies cause tension and distrust, highlighting the fractured state of their relationship and Rebecca's growing awareness of his manipulation.

In episode 3, the exes spend time with new people who offer advice and new perspectives. Some of these interactions bring news that further complicates and rocks the current relationships, adding layers of conflict and insight for the main characters, including Rebecca and Liam.

Episode 3 features significant exchanges between Rebecca and Craig, where their dynamic is explored in depth. Their interactions reveal key moments and insights into Rebecca's emotional state and the complexities of her relationships, contributing to the episode's dramatic tension.

The episode shows Liam lacking accountability as he denies cheating and shifts blame onto Rebecca. Meanwhile, Rebecca confronts him with evidence and questions his honesty. This dynamic underscores the struggle for truth and responsibility within their relationship, emphasizing the challenges of confronting past mistakes and deception.