Koon Qi loses her phone after parking her car on campus. Several psychological concepts are demonstrated as her classmates try to help locate the phone. Ow decides to social loaf and not put in real effort to search. Barbara thinks Koon Qi deserves losing her phone due to her own actions. Teoh falsely accuses Barbara of stealing the phone, leading to an argument. Brian steps in to resolve the conflict and helps the group search rationally. In the end, Koon Qi's phone is found in her car, and she attributes losing it to her own actions rather than accept blame.