Oliver, struggling with basic swimming skills, abruptly quits his lesson, accusing his tutor of incompetence and threatens to tell his father to replace him. The tutor desperately pleads to keep his job, explaining that losing it would upset his mother. They reveal they are in the same swim group, and the tutor insists on teaching Oliver mouth-to-mouth respiration first. During the class, tension escalates as Oliver demands they pretend a prior intimate encounter never happened. The episode ends with Oliver retreating and the tutor calling after him, unsure of what will happen next.