Overview:Mentor CHIU keeps picking on SUMMER, and needs her to do a lot of clerical work, at which she is not very strong. As a result, she is left to work overnight in the office. ISSAC tries to encourage the exhausted SUMMER with a little trick. ROY catches HEATHER embracing a man on the beach, and is quick to conclude that she is cheating on TONY. ROY forces HEATHER to keep his secret by threatening to reveal her affair with the unknown man. The Captain Promotion Exam has entered its final stage, but the plane to be used for the examination is in need of extensive repair. Mentor CHIU asks SUMMER to come back to assist with the repair, and SUMMER, although physically unwell, manages to finish her work in the nick of time. SUMMER notices an oil leak from the engine, so she suggests to ISSAC that they should call for a flight delay. Due to the seriousness of the incident, ADRIAN asks to have a word with ISSAC, SUMMER and Mentor CHIU……