Mandy gives a sexual health lesson at a local school, and helps a young relief teacher who has been spotted dating a pupil. Kevin tries to prove he's still young, so goes out with Chris and his mates.
Attending a local school to give a lecture on sexual health Mandy notices friction between teacher Nina Jethroe and class wide boy Josh Kinney. She learns that Nina started an affair with Josh before she realised that he was going to be her pupil and that if she ends the affair he will expose it to the headmistress. Mandy tries to help. Kevin,on his thirtieth birthday,is annoyed when people assume he is some years older and tries to do youthful things but ends up admitting there is no substitute for maturity.—don @ minifie-1