Father’s Day is coming. NGA would like to take part in a mixed triathlon with HON, believing a golden medal will make a wonderful Father’s Day present. As HON’s class clashes with the triathlon, HOI will take his place. HON is visiting his mother’s grave with LEI and CHU. HON and LEI will start from the foot of the mountain. CHU requests to join them. SUM tells LEI to drive to the halfway and wait for HON there. HON wants to watch the sunup with CHU, but NGA hopes CHU can watch the sunset with her. HOI has twisted his ankle. CHU volunteers to take part in the triathlon with NGA. TUNG tells CHU HON and NGA have had a traffic accident which means they can neither participate in the triathlon nor watch the sunrise. HON and NGA are having dinner with CHU on Father’s Day. When they finally get to the restaurant, they are bruises all over. CHU discovers from the CCTV that…